I just have to add this to the thread. My absolute favorite knot to tie limbs is the French Bowline.

http://www.ropefashions.com/fashions...s.php?album=26

I wouldn't recommend using anything else unless it produces the same results. It will not tighten when it is pulled on unlike many other knots and it can be made wide so the load is distributed evenly over a wide area.

Recently I have used this knot to tie a cute little thing down using just 1/4" rope and had her squirm very violently through a powerful orgasm without so much as a hint of a bruise. Which even surprised me.