If you are drowning, and someone throws you a line...
tie this knot on yourself, and you can have someone pull you in.
This is for tying it around yourself.
Step 1: Materials Needed
Step 2: Getting Started.
Hold the rope the whole time.
go over the rope in your left hand. (While still holding the rope the whole time).
Then back under. then up, as shown in the third pic.