It stays in place well but is easy to detach/activate when needed. It's a much more complex balance than meets the eye, but it's the defining characteristic that makes signaling either useful or useless. This one is useful. I'm glad I bought it (as a gift for my wife) and would recommend it to others. It's not too loud, it's around an 8 volume, and I wish it was a 9 volume (hope it wasn't too technical). Recommended again.
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