My moms little shih tzu pup had a hard time getting used to his collar, too. He itched and scratched and rubbed at his collar, but it wasn't the collar that was itchy, it was Ritz's resistance to it. He just plain didn't like it! After about a week he got used to it though, we'd leave it on him for longer and longer periods. Now he wears it 95% of the time, only taking it off for brushing and bathing.

I hope he gets used to the collar soon. Good luck and congrats again on finally getting that adorable little guy