Download eastons tuneing guide , go straight to broadhead tuneing , there are other methods of tuneing listed , some are for traditional archers ,others are for compound archers useing a release , dont get confused useing a method that was not intended for the gear you are useing , for example "bare shaft tuneing " , which is intended for traditional archers to fine tune thier arrow spine .

Heres a link http://www.eastonarchery.com/downloads.asp