Flyball collar or Flyball Harness?

[Ayoka]

Ok since flyball is our new obsession, I need to go shopping!!!!

I need to buy either a flyball harness or a collar. It has been suggested to me that the harness is a better because it takes the strain off the dogs neck when he's pulling like crazy to start his run. Bear IS a puller...Could a flyball collar do some serious neck damage any thoughts would be appreciated.

[flyballmom]

Charleigh and Omen both wore harnesses when they were racing. Not only was it much easier on their necks, it was much easier to hold them while waiting in a line up. I used to run a 65 lb Border Collie who wore only a flyball collar, and it nearly killed me