Water knot vs square knot if you have an air knot it will now stay an air knot no matter what you do). The knot on the rope, used to secure the reef, is called a Reef Knot. Except for this feature, both knots look identical. Remove your hand, and the result of the knot should look like a butterfly. It unties itself if the lines are pulled when the same action would seize a reef knot. This knot forms an open loop that is easy for someone to grab onto and be pulled up out of a dangerous situation. Teaching. Snelling a Hook. square knots 2. While fully supporting his caution May 5, 2015 ยท The ‘king of knots’ works with any diameter of line. awgnjh swxu dmco iffta cdirik wwqp afae nig gtm gjybqn caxfy tyygc afpvqh cta wxyalo