found Zwickeys!

[hikerman]

Hi, I have bin looking for those Zwickey Scorpio arrow stoppers. These
ones slid down the shaft and stop the bolt from pasing throught the turkey. Some of the guys here have talked about them.
Shooters Choice in kitchenerwaterloo & The Achers Nock in london.

[ecoaster]

Yep. That's where I got mine. Sandman gave me the heads up on where they were last spring. Haven't used them yet ........come on April!