Bondage How-To Page -
http://ms.ha.md.us/~tammad/over21/bondage/
Fisherman's Loop
One of the easiest ways to make a loop which will not grow or shrink under a load.
Useful to tie onto a wrist or other body part, because it will not tighten and cut off circulation.
Knots:
http://www.tollesburysc.co.uk/Knots/