You need serving, obviously. And the method is really simple actually. Im not sure if I can explain it though. I posted this one time and Dan (WashingtonHunter) posted pics with step by step intsructions.
Ill see if I can dig it up. If not, Im sure someone will be able to show you.
See if this helps
http://www.hunting.net/forum/tm.aspx?m=2670250&mpage=1&key=help&#26 70250