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					Originally Posted by  Hokule'a     I don't let mine wear collars in the house - I've heard too many horror stories of puppies choking/hanging themselves on their crates, x-pens, even heating vents     |  
 
  I agree.  Not only can pups choke, I have heard of adult dogs getting strangled as well.  I don't even trust the "quick release aka breakaway aka kitty klip" buckles because it takes a lot of pressure to make them release.