At some point in your dog’s life, there may be a time where a muzzle may be a good idea like in emergencies, in grooming situations, if your dog has bitten a person or dog before for examples. The time to teach a good feeling about wearing the muzzle is not when you need it, but now. I came across this video and think it is really well done for explaining how to do it.

Associative Learning In Dogs And Parrots
Associative learning. What is it and how can understanding it help you to have a ‘better behaved’ pet? How does associative learning impact your success in dog training, parrot training or other pet training?