Know your knots! With this free video tutorial, you'll learn how to tie a stevedore's knot. Stevedore's knots were originally used in pulleys as a backup system to keep cargo from falling in case the rope slipped. The knot is easy to tie provided, of course, you know how to go about making it. For an easy-to-follow, step-by-step overview of how to tie this useful stopper knot in a minute's time or less, watch this free video knot tyer's guide.