They do. They even go to a specific shop in one of the episodes: The Bone Room.

The Bone Room was famous - within its niche - around the world. Featured on Mythbusters, as well as having several appearances on local news magazines, written up in articles in local and nationwide publications, and listed in guidebooks, The Bone Room was a destination for travelers and one of the must-see places for locals to bring their visiting friends and relatives.