Paracord Woggle Tutorial (Turk's Head Knot). His instructions are so easy that I, Tiffany, was able to make 2 woggles in under 10 minutes, having never done a turkshead knot before. Love his videos! (Weavers of Eternity Renaissance)
Fishing Knots. This is the one skill that just may save your life one day. Don't put it off. Learn them and do them every day(while you can) for several months, so it's in your muscle memory and you don't forget them. You can't trust that someone else is going to help you or save you ; when you need them to.