[BowWowMeow]

I would be very cautious about getting all agro (as Elaine describes) on a dog who's exhibiting this behavior ESPECIALLY if the dog is 1.) a rescue with an unknown past or 2) a puppy. For a rescue it could be very dangerous (as in you don't want the grab to turn into a real bite) and for a puppy it really isn't necessary.

If I had a problem like this I would stop grabbing the dog's collar. If it's a puppy then I'd find a different way to train the behavior I want, step up the NILIF and daily training and then use positive reinforcement to condition the dog to happily accept a collar grab.

For a rescue I'd figure out a different way to move the dog around (like throwing something irresistible into the crate at every chance possible (not just when you're leaving, putting the dog away, etc.). Then I'd use positive reinforcement (clicker training is a great one here) and very slowly teach them that touching their collar is a good thing.