Training collars are a lot like makeup. They do a really good job of covering things up, but at the end of the day if you don’t do things right that’s all they are: a cover-up. Today I woke up, looked in the mirror and gasped: I had three small zits on my face. Now, I was prone to acne as a kid but as an adult breakouts have been very rare. Seeing as how I have group classes today and will be seeing lots of clients, the last thing I want......