how hard to mate 2 D20s together and if anyones done it how?

I think it is called a cold duck but it is for bronco 20's not Jeep 20's.

http://www.pirate4x4.com/cgi-bin/ubb/ultimatebb.cgi?ubb=get_topic&f=15&t=000496

yer welcome <IMG SRC="smilies/thefinger.gif" border="0"> <IMG SRC="smilies/thefinger.gif" border="0"> <IMG SRC="smilies/thefinger.gif" border="0">