tutorial: nudo corredizo
Essential Knots, Knot Tying, Knots of the outdoors-SR
http://www.paracordist.com repin : mooring hitch #knot Quicky release knot, could come in very handy...
Need to tie a knot, because you don't want to look like a dumb a$$ with your loops and bows and stuff? Keep this with you, and tie a knot like a boss!