'Robinhoods' are a real pain (when shooting compounds) - wrecks 2 arrows & happens too often - the one that got holed is destroyed and the one that's inside. No one I know of takes them apart.

I've never shot carbons, though, but you're probably right, with the big gaping hole underneath the nock, they'd be pretty easy. Woods merely split off the side and with aluminums, the point underneath the nock tends to deflect non-absolutely perfect hits to the side, destroying only the nock.