I usually use the Palomar Knot It is strong (slose to 100%) and as easy as an overhand knot with one more step. It does waste an extra inch or two of tippet, but i can still tie it with numb hands.


Of course I haven't been fishing for so long I may have forgot how to tie it so heres a link
http://www.fish4fun.com/palomarknot.htm