The sheetbend knot is a bend knot, i.e. it is used to tie two lose rope ends to each other. The sheetbend knot is the core of many of the more sophisticated knots and ties in this tutorial. Therefore it is useful to know the sheetbend knot in this basic form well, even though we are not using it in it's basic form that often.

Note that the sheetbend knot is tied such that the open ends of both ropes end up on the same side of the knot.

The bowline knot is simply the sheetbend, used to tie a rope to itself in such a way that a stable loop is formed. This loop does not collapse (tighten) when it is loaded. We will introduce a variety of such loop knots, for different use-cases, of which the bowline is the easiest and simplest.

Note that the bowline knot is tied in such a way so that the open end ends up in the middle of the knot, between both ends of the loop.

In Xenbaku we usually use double rope. So we have a bight on one end of the doubled rope, and the two open ends on the other end of the doubled rope. We then start tying from the bight and when we reach the open ends we can attach the bight of a new doubled rope to the standing part, using a sheetbend on a bight.

The sheetbend on a bight as rope extension is tied by pulling the open ends of the old rope to the bight of the new rope, going around the new rope and then puling the rope ends through the gap between new and old rope.

If we use a sheetbend on a bight to attach the bight of a doubled rope to the rope itself, we end up with a bowline on a bight. The bowline on a bight is a simple way of creating a stable fixed loop at the bight of a doubled rope, that will not collapse when loaded.

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