How long do DryShield mouthpieces really last?
How many times can I use a single DryShield mouthpiece? According to the manufacturer the answer is about 50 times, which equates to 50 cents per use ($25/50 = $0.50). Well, I wanted to test that number, so I went beyond 50 times to see what would happen. The photos below show two medium DryShield…