I like BUT...

My son is using the silicone strap and it's been working for a couple of weeks until I noticed today that the silicone strap slips off of the ear piece. I've tried shrinking the silicone by boiling it which I think helped a little but still I don't think it fixed the problem and I'll probably have to repeat the process. Otherwise, when the silicon has a tight fit to the ear piece the strap stays on pretty well.

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