Know your knots! With this free video tutorial, you'll learn how to tie an angler's loop knot. The angler's loop knot is a really old traditional knot that dates back to the 17th century. 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.