Form a loop with the rope and
position it behind post to which
your are going to tie the rope.

Grasp the standing part and form
another loop at the front of the post.
Then push the loop through the back
loop.

Pull the rear loop tight by pulling
on the tag end. Then bring the
tag end around the front.

Grasp the tag end and form a third
loop. This loop is now pushed
through the remaining loop.

Once the final loop is in place, pull
hard on the standing part and the
knot is complete.

The completed knot. To quickly release
the knot, pull hard in a downward
direction on the tag end.