Rappelling with a tube and friction hitch, step by step: the setup, the check points, the load test and the errors that turn a rappel fatal.
Rappelling means this: you hang yourself into the doubled rope with a braking device, back yourself up with a friction hitch below the device and lower yourself in a controlled way. The skill is not the movement — that part is easy — it is a fixed procedure with check points that you run identically every single time.
Plain talk on why it is that strict: the British Mountaineering Council writes that abseiling accidents are often fatal and at the very least usually cause serious injuries, and that many result from easily preventable human error; its three key points are checking the anchors, using a prusik knot and knotting the rope ends [1]. In the North American accident review for 2023, eight of 14 published rappel accidents were fatal [2] — published accidents are a selection, not a rate per rappel, but they show how high the stakes are.
The reason is structural. While climbing, the system holds you even when you make a mistake. While rappelling you hang in a system with no redundancy the moment you unclip your personal anchor. Rappelling is the moment you are your own belayer.
How long until it sits? You learn the procedure in one course day. Until it runs identically under time pressure, at dusk and with cold fingers, you need a season of ground-level repetition.
Checkable entry criteria before you rappel independently:
Anchor yourself first, everything else second. Thread the rope through the rappel station, check the middle, and tie a separate knot in each rope end — separately, not both together, so twisted strands can untwist.
Milestone: You tie the stopper knots before the rope is thrown — three times in a row, with nobody reminding you.
The hitch goes around both brake strands below the device, meaning the strands running down to the ground. It must be attached short enough that it can never be pulled into the device while you rappel.
Milestone: You attach it three times and your coach finds no length error.
Four points, spoken out loud: the rappel station, rope routing and stopper knots, device and locking carabiner, the hitch and its position. Only when all four are confirmed do you continue.
Milestone: You recite the four points without a cheat sheet, in the same order every time.
Sit fully into the rappel system while your personal anchor is still clipped. Open your brake hand briefly and check that the hitch really grabs. Only then do you release the anchor.
Milestone: You have not forgotten the load test ten times in a row.
Feet about hip width, legs slightly bent, torso upright, brake hand stays low on the rope. The other hand guides the hitch loosely without gripping it. Smooth instead of jerky — every jerk raises the load on the station.
Milestone: Ten metres at an even pace without locking up or bouncing once.
Anchor yourself first, then unclip from the rappel system. In that order, always.
Milestone: You never unclip before the personal anchor is loaded and checked.
Rappelling has the worst effort-to-consequence ratio of any skill here: a handful of steps, almost no physical demand — and still, eight of 14 published rappel accidents in North America in 2023 were fatal [2]. For context: in the overall review of 210 climbing accidents the following year, 100 happened on the ascent and 46 on the descent (46 more with the phase unknown) [4]; the way down is no sideshow.
This guide explains and motivates, it does not replace supervised training. Have rappelling shown to you at ground level in a climbing course, signed off and repeated many times before you use it in real terrain.
Tie the stopper knots before the rope leaves your pack — not once the strands are already hanging. Most people plan the knots for "afterwards", and "afterwards" is exactly the moment wind, rope tangle and time pressure push them out.
And knot each end separately, not both together: that way twisted strands can untwist as you descend instead of cinching into a mess. The knot you tie at the station is the only one you will reliably remember later.
Yes. The friction hitch is the only redundancy in a system that otherwise has none: it blocks when you lose your brake hand to rockfall, cramp or shock. The BMC names the friction hitch and knotted rope ends as two of three key measures when rappelling [1].
For friction hitches of the prusik type, Petzl names 6 mm accessory cord [3]. Beyond diameter, grip matters: new, slick cord bites worse and needs more wraps. Always test the hitch at ground level on the actual rope.
Below the device, around both brake strands. Above it, the hitch can cinch under load until you cannot release it — and it does not protect you there against losing the brake hand. Length matters just as much: short enough that it never gets pulled into the device.
Yes, every time and in each end separately. Rappelling off the end of the rope is a classic, avoidable error; the BMC names knotted rope ends as one of three key measures [1]. Separate knots instead of one joint knot have a practical advantage: twisted strands can untwist instead of jamming when you pull the rope.
In the gym and on equipped sport routes, being lowered by your partner is usually the simpler and less error-prone option because the system stays closed to the very end. You need rappelling where there is no partner on the ground: multi-pitch routes, retreats, alpine terrain.
Anchor Building: Redundancy, Equalisation and the Right Angle