We do not want for the dog to panic when he realizes he has a limited range of motion.

Warm him up but putting his head trough and after a few reps, tighten the collar without clasping – 01:20 sec. He will need to learn that the pressure will always go away.

At some point clasp the collar loosely and feed the dog while his head is through the collar – 02:55 sec

FAQ

My dog panics when he cannot move!
Please do not rush the process. Spend as much time as needed to get him comfortable being restrained. Every dog has different sensitivity levels. Take your time.