From the moment a dog becomes a pet, the collar is part of her new reality. It is the primary marker that this dog "belongs" to someone: the collar holds ID tags with names, phone numbers, and addresses, and it lets strangers know that a wandering pup isn't lost to the world-just misplaced.
We have seen travelers try to conceal knives and other weapons on their person, in their shoes and in their luggage, however I believe this is the first time we have come across someone who was concealing a live animal down the front of his pants.