--- title: "Shibari basics: rope maintenance" date: 2026-10-22 author: "Sr. Interior (流庵殿)" intro_image: "https://shibari-dojo.online/images/lectures/lct0408en_sq.webp" fulltext_image: "https://shibari-dojo.online/images/lectures/lct0408en_lg.webp" categories: - name: "Lectures" url: "https://shibari-dojo.online/lec-en.md" tags: - name: "Nawasuji (繩筋)" url: "https://shibari-dojo.online/tags/nawasuji-en.md" - name: "Shibari basics" url: "https://shibari-dojo.online/tags/shibari-basics.md" --- # Shibari basics: rope maintenance ![Shibari basics: rope maintenance](https://shibari-dojo.online/images/lectures/lct0408en_lg.webp) We update this article over the years because, with time, both materials and experience evolve, and **it is worth reviewing what used to be taken for granted**. When we talk about conditioning rope, it is worth doing a bit of reflection and analysis, and not acting out of habit, out of what we are told or, above all, out of what people want to sell us. Let it be clear from the start that in this article we are referring to **twisted jute rope**, not braided, of acceptable quality. Rope made from other plant fibers will need similar care as long as it shares physical and processing properties with jute. In other articles we discuss what type of rope we recommend using and how to assess its quality objectively; the links are at the end of the text. To start somewhere, we can distinguish between preparing a new rope for use and conditioning a rope that has already been used. ## Conditioning a new rope for shibari What does conditioning a new rope mean? Is it like breaking in a car? Today (2026), in Europe, and I assume in much of the free world, it is possible to buy plant-fiber rope that is ideal for shibari practice and of more than acceptable quality. **Careful:** some sellers promise that their rope is made especially for shibari practice. Well, that is usually not true. At present I only know of one manufacturer running a production line following the specifications of a rope professional (in this case, more a master rope maker, but also an experienced rigger), and we are talking about production volumes that an Etsy shop could hardly take on, let alone quantify. This rope, made specifically for use on the human body, needs practically no prior treatment. **Note:** the manufacturer itself recommends “boiling” the rope before use, which is a terrible idea. Let’s see why boiling rope is not a good idea. Jute is a plant fiber made up mostly of cellulose, which provides tensile strength, and lignin, which provides hardness and stiffness, along with other elements that bind the fibers together and protect them from moisture and sunlight. **The real strength of the rope depends on the ability of these materials to hold a cohesive structure.** When jute rope is put into boiling water, the plant fiber hydrolyzes and the binders dissolve. This takes the stiffness out of the rope, making it limper, and although cellulose is more heat-resistant, it can also degrade, which reduces its ability to bear loads. If at the same time the fiber absorbs liquid, it will swell, which breaks down the molecular structure of the cellulose and weakens it. The degree of damage will depend on many factors: the quality of the rope, the type of water, how long the rope is boiled and soaked; it can range from catastrophic to desirable. But it is a risk worth weighing. Years ago, shibari was done with industrial or packing rope, stiff and oiled with petroleum (we will talk about batching oil, or JBO, later), and boiling largely served to clean it, removing oils and grime. Really a far-from-ideal system, since harmful mineral oils turn into even more harmful vapors when boiled. But nowadays, really, **if a rope shows dirt or traces of mineral oils, don’t use it, don’t buy it**. There are better options on the market. If what you are after is softening the rope, do it accepting the risk; perhaps with light boiling you will find a balance between limpness and strength. But you are taking a risk, remember, which, for a floor-play rope, may be easily acceptable. ### Breaking the rope fibers Another bad habit inherited from using industrial rope in the past is that it was rigid, clumsy and stiff, which made precise handling difficult and was not very comfortable on the body either. So the recommendation was to apply friction and force, loading weight to “crack” the rope and “break” its fibers. Well, both are bad ideas too. Let’s take them one at a time. If the rope is so stiff that you can’t handle it, rather than subjecting it to friction and loads that will damage it no matter what, you can try boiling it briefly. It will soften. But you are better off looking for a rope that suits your taste in terms of stiffness. “Cracking” rope is another of those bad ideas that was adopted as a good one for some reason that escapes me. I remember times when, using mainly hemp, everyone appreciated the creaking of the rope when suspending or loading it. Well, **when a rope creaks, its fibers are breaking**. Is that good or not? Never. If a rope you use as a lifeline starts to creak, untie quickly, mark the rope and set it aside; don’t use it as a lifeline again. It would probably still hold up to many more uses, but better to err on the side of caution than to risk a scare or an accident. All the more so given the **recent sudden-breakage problems with the rope of a well-known international supplier**. A good way to soften rope is to use and condition it, even rubbing it against itself under tension a few times, to remove dust and raise the outer fibers. It will shed fluff. ### Singeing This process is quite fun, since it consists of passing the rope over a flame and watching the fluff and fibers that make the rope look so untidy burn off. It is a **process of curing the rope**; it consists precisely of removing excess fluff with a flame. This process not only gets rid of what we don’t want on the rope, it also has a certain “sealing” effect, since the rest of the fiber that remains on the rope after the excess fragment burns off is not cut or torn but burned: its end is undamaged and its internal structure is preserved. **Some recommendations on singeing jute rope:** You can do it as many times as you need; if, for your taste, your rope has too much fluff, you can pass it over a flame. But any flame? No, not just any. **A gas flame is preferable** (butane, propane or similar), the kind that burns blue. A candle or wood flame (yellow-orange) is not as suitable. This preference comes from the temperature the flame reaches: a gas flame has greater heat output, but it is also usually larger and easier to control or adjust, so we can adapt it to cover the whole gauge of the rope. It is a process that produces a certain smell; some people like it and some hate it, so try to do it in a space that is easy to ventilate. It also produces residue (remains of fluff and some soot); bear that in mind. The idea is to burn off the excess fluff, not to char the rope, so you need to be careful. Usually, just bringing the flame close to the rope, you will see it burning off: the fluff crackles and is consumed. There are several ways to do this. You can pass the rope over the flame of a burner, a stove or similar, moving it along so its whole length is freed of fluff; do it several times in each direction, preferably the first pass against the twist, the second with it, and so on. If you tilt the rope slightly, so that the part that has already passed over the flame is higher than the part that hasn’t yet, the flame will tend to rise and the process will be more efficient and controlled. Taking advantage of heat’s tendency to rise is precisely what the other common method for “burning rope” relies on. In this case, we lay the ropes out hanging from an attachment point and use a small gas torch, like the ones used in cooking or plumbing (don’t use a welding torch!). That way, bringing the flame to the rope from the bottom up will help the flame climb spectacularly up the whole rope. In any case, **careful: you are handling fire**. Handle it with prudence and the appropriate safety measures; damaging the rope or losing your bangs are common accidents, but fire is serious and problems can escalate quickly. You can carry out the singeing process whenever you consider it necessary. #### Cleaning after singeing You have singed your rope; now it has a nice toasted color and a characteristic smell. Don’t get excited: much of that will be soot and gas residue, two things you don’t want in contact with the body. So let’s clean the rope. It is a simple, easy process; **you only need rubbing alcohol**, the low-strength kind, and a cloth. Soak the cloth and run it along the whole length of the rope several times. Alcohol is a good solvent: with the friction, the residue will transfer to the cloth and the smell will fade. A tip: do the first pass against the direction of the twist, the second with it, and so on. After a few passes, the dirt will have transferred to the cloth, and the rope will keep a certain toasted color and be free of dirt. Leave it to air, stretched out, for a few minutes so the alcohol evaporates. Oh, and don’t soak it in the process: the alcohol goes on the cloth; the rope doesn’t get a bath. ### Conditioning I deliberately use the term *conditioning* and not *waxing*, since that is what we are going to do next. Technically, once clean, the rope is ready for use, but **we want to protect it and perhaps soften its feel a little or adapt its handling** to your taste. If you search online, you will find all kinds of advice, from nonsense such as using animal fats or products to plant waxes pressed by geishas on the slopes of Mount Fuji. Every seller will try to sell you “their” product as the most traditional and effective. **But what do we need at this stage of the process?** Basically, two things: **to regulate the internal moisture of the rope and to protect it from ultraviolet radiation**. Softness to the touch and ease of handling will come with use, although certain conditioners help. Think of jute rope as something halfway between hair and a pair of *jeans*. If the inside dries out, it gets frizzy; if it is too damp, it gets heavy, and if the damp persists, it will be a wonderful habitat for mites and fungi, which speeds up the decomposition of the jute. As for light, since it is an organic material that doesn’t renew its cells, ultraviolet light is as harmful to it as to any other material. So what we need to do to preserve rope is to apply a product that does both jobs. **Let’s rule out beeswax**. While it is in the comb, or in a block, which is how it is usually sold, it smells delicious and seems to protect the rope well. But no: once spread out and exposed to oxygen, it quickly goes rancid and its smell changes. It also acts as an occlusive barrier, that is, it doesn’t let moisture through, so the rope won’t be able to regulate itself. The same goes for horse fat or the materials recommended for leather care. Their base, precisely because it is greasy, has the same effect, and some even make the rope “slip,” which in shibari is not advisable: when we tie, we want the rope to stay where we put it and behave the way we expect. Food products, especially oils (coconut, etc.), are not recommended either: by design, they oxidize and go rancid when exposed to oxygen. Besides, their properties are not what we are looking for. These rejections already define **what we can use: cosmetic products**. If you don’t want to complicate your life, you can go to the supermarket and look among those used on skin or hair, checking their ingredients and properties. If you already use a product to condition your skin or hair, you can apply it to your ropes. But first look at its ingredients, check its function and its price. Personally, for years I have used a store-brand moisturizing skin cream from the supermarket, a euro a jar, and it lasts me for years. Along the way I have tried everything: very expensive jojoba oil, beeswax, coconut fat, shea butter… Over time they all had some problem, whether availability, rancidity, price… With this cream there has been no problem so far, and the results are very satisfactory. **Scent?** That is up to your taste and judgment: it may already be included in the conditioning cream or you can experiment, but always in moderation and thinking about whether you would apply that product directly to your skin. **Application tip:** take a small dab of the product in your hands and spread it from the middle toward the ends of the rope, first with the twist and then against it. That way you will apply an even, well-distributed layer, and we will keep it from building up in the folds of the twist. Take cream as many times as you need, but **always in small amounts**, and spread it well; you can test it on your own skin first and see how well it is absorbed. That will be a good reference. It is better to use a little cream and have to make more passes than to put too much on the first time and smear the rope. If that happens, absorbent paper and patience are the way to remove the excess product. Once you finish, let the ropes hang stretched out in a cool, well-ventilated place protected from direct sunlight. One night is enough. The next day you can put them away. Close the ends of your ropes with a simple knot tied in the direction of the twist. Don’t tie it right at the tip: leave about 2 inches of rope. That way you ensure the strands are compressed evenly and won’t come out unbalanced when tension is applied. ## How to store rope This will depend on whether you have a space dedicated to your shibari practice or have to put all your gear away between uses, and on how often you use it. In the first case, if you have a dedicated space, we can assume you will use them often. In that case, it is enough to hang them stretched out, without touching the floor. **As a general rule, rope should be stored in a ventilated space, with a suitable level of humidity and protected from direct sunlight**. If you have cats, you will have more problems: they love playing with them. But if you don’t have a dedicated space, think of storing them as if they were a piece of denim clothing, ideally hanging (for example, on a hanger in a wardrobe) or folded in a drawer. If you use them fairly often, more than a couple of times a month, you can store them folded, in a hank that keeps them from tangling. But if you use them only occasionally, storing them in a hank is not the best idea, since the rope will tend to keep the shape and bends. In that case, you can wind them under tension around a cylindrical object, making a spool. **Never store them in a plastic bag**: they won’t be able to “breathe,” and damp, mites and fungi will make an appearance. A cloth bag is better. And if you keep them in a wardrobe, check that it doesn’t build up moisture, or you will have a problem. Good ventilation will be your ally. ## Rope maintenance With time, use or lack of it, your ropes will need some care to be as nice and easy to handle again as you like them. **This is an entirely subjective parameter: it depends on your tastes, criteria, technique, frequency of use and countless other factors.** Before each use, inspect your ropes: look for **broken yarns**, **damp patches** or **signs of wear**. **Do they feel dry or rough to the touch?** Then give them a little cream before using them. **Do they have too much fluff?** Start the process again from singeing and they’ll be as good as new. **Dirty from use?** A cloth with alcohol and a rub. **Wax residue?** A clothes iron, at medium temperature, and blotting paper will be enough. **Organic residue, fluids, blood?** Use non-aggressive surface disinfectants, such as those used in tattoo studios or dental clinics. As a reference, propanol-based ones are quite effective. **Washing machine and dryer?** Better to avoid them: water is not jute rope’s best friend, and the mechanized process can be too aggressive. If you must, a short wash with warm water and mild soap, with the ropes inside a lingerie bag. And no spin cycle. **Dishwasher, microwave, freezer?** I honestly see no point in using these appliances: why would you? ### Drying rope Your ropes are soaking wet, whether from washing, from use in water or for any other reason. **Don’t worry: they are not automatically ruined.** You can dry them in a ventilated place, out of sunlight and under tension. If you don’t leave them under tension and adjust it every so often (once a day or more; it varies), the twist will lose consistency, and that, as well as a loss of handling, is also a loss of safety. **Important:** the outside of the rope will dry relatively quickly, but its core can take quite a few more days than it may seem. Here the local climate is decisive. ## Batching oil (JBO) The acronym everyone avoids. Technically, **JBO** is *Jute Batching Oil*, the batching oil with which jute fiber is treated before spinning to soften and lubricate it. So **all jute rope has JBO**; the problem is the type of oil. Rope intended for industrial use, or from manufacturers looking to cut costs, will use mineral oils, almost always petroleum derivatives. They are cheaper, but they have a problem: they leave a carcinogenic chemical residue on the rope. Exposure through shibari use is low, but if we can avoid it, all the better. ### How to check whether your rope has bad batching oil (JBO) A petroleum smell in rope is usually a sign that we are dealing with a material that isn’t recommended, but it is not a conclusive condition. In other words, a rope that doesn’t smell of petroleum may carry harmful chemical residue from the factory. Really, **the only reliable way to verify the presence or absence of harmful chemical residue is through proper laboratory analysis**; some manufacturers and sellers offer it as a guarantee. The strong petroleum smell of some ropes usually has another origin: storage and transport, since industrial warehouses in certain countries use petroleum derivatives (diesel) to fumigate the premises to prevent rodents and insects. ### What do I do if my rope has batching oil (JBO)? People really ask this when the rope smells of petroleum, and my first advice is to **return it to the seller and claim a refund of the amount paid**. But if that isn’t possible, you can try: Boiling it: the grease will come loose and float in the water. But the rope will suffer quite a bit. Immersing it in alcohol, which is a good solvent and evaporates quickly. At least the smell will be reduced. Using another grease (coconut, for example), since a grease is the best solvent for another grease, and removing it carefully. But the result will probably be an oily rope. As a final technical note, using vegetable oils in the manufacturing process usually results in “stiffer” rope, while mineral oils make rope “limper.” This is not 100% verified. And if you care about environmental and fairness issues, don’t think a vegetable oil is “better” in that respect. The problems caused by intensive cultivation of palm, soy and other plants for industrial use are well known. ## Custom Fields **Content Type — The formal and communicative nature of a piece of content, based on its documentary function.:** Article **Knowledge Type — The nature of knowledge according to its role within practice.:** Technique **Field of Study — The specific area of practice that the content focuses on.:** Rope **Corpus — A structured body of reference knowledge that underpins the content.:** Materials **Criteria — A cross-cutting perspective that defines the emphasis or intent from which the content is approached.:** Application **Summary — A brief synthesis of the content that presents its main topics, purpose, or most relevant aspects.:** A practical guide to preparing and conditioning jute rope for shibari, both new and used.