Know your knots! With this free video tutorial, you'll learn how to tie a surgeon's loop knot. The surgeon's loop knot is a fishing knot that uses polyamide filament or braided filament. 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 fisherman's knot in a minute's time or less, watch this free video knot tyer's guide.