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Bachmann Knot

How to tie the Bachmann Knot. The Bachmann Knot is a popular friction hitch with climbers and arborists. It can be tied with either a factory made or temporary strop (no more than half the diameter of the vertical rope).

The Bachmann knot requires the use of a round cross section carabiner for friction. Grabbing hold of the carabiner while unweighting the load on the hitch will release the friction and allow the hitch to slide freely and thus be moved up or down appropriately. To remove the Bachmann hitch, just un-clip the top loop, hold onto the carabiner and pull the cord free. It is advisable to use a locking carabiner for the Bachmann, considering you’ll be grabbing it to move the hitch. And when using a self-constructed strop or loop, make sure to not wrap the Double Fisherman’s Knot section of your loop in the wrapping, which can decrease the knot’s effectiveness.

Scroll to see Animated Bachmann Knot below the illustration and tying instructions.

Bachmann Knot


Bachmann Knot Tying Instructions

  • Construct a strop of rope (not more than 1/2 the diameter of the vertical rope) or use a pre-made strop. Clip the strop into the carabiner.

  • Hold the carabiner against the vertical rope and wrap the strop around the rope and pass through the carabiner.

  • Repeat, wrapping around the vertical rope and through the carabiner again (an additional wrap can be made if there is room in the carabiner).

  • Apply load to the end of the strop to bind the knot in place with friction.
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Disclaimer: Any activity involving rope can be dangerous and may even be life threatening! Knot illustrations contained in this web site are not intended for rock climbing instruction. Many knots are not suitable for the risks involved in climbing. Seek professional instruction. Many factors affect knots including: the appropriateness of knots and rope materials used in particular applications, the age, size, and condition of ropes; and the accuracy with which these descriptions have been followed. No responsibility is accepted for incidents arising from the use of this content.