Lark’s Head Knot
A Lark’s head is one of the simplest sliding (collapsing loop) knots. It should not be used for bondage directly as it is a collapsing loop, but is very useful as the first step in the creation of many other kinds of ties, probably most commonly the Lark’s Head Single Column tie
Pictures & Text

1. Form a bight in the middle of the rope.

2. Take that bight, fold it down on itself

3. Thus

4. This creates a sliding loop. This is the lark’s head.

5. You can also do it one-handed. Drape the bight over your hand

6. Reach down and grab the tail

7. Shake the bight off your wrist and down over the tail

8. Slide it on to something

9. This is the completed Lark’s Head
