Was it the barrel knot, as described here?
http://www.killroys.com/knots/barrel.htm On Wed, 21 Jul 2004, Ed Durbrow wrote: > Someone showed me how to tie two strings together a year or two ago > but I've lost the email or link and can't remember the knot exactly. > It was a brilliant knot that would work even with strings of > different sizes and not snap like all the other knots I tried. I > recall the each string wrapped around itself about five times but I > can't remember where the ends go. Anyone remember that knot? > TIA >