My wife and I both have matching bits and used metal stretchers as I don't like fiddling with fasteners etc. The problem I had was the metal getting stuck as its pieces fell out. free. When I saw this, I had to try it. I am bound for life. First, they're so light I almost forget I'm wearing my Fitbit. Comfort comes when they're soft and light, which means they're very comfortable. I can put them on and take them off without having to constantly adjust them. I can make it tight or loose as I prefer. I won't wear anything else.
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