I seriously don't understand the negative reviews but I love this thing! The magnet is strong, the Fitbit is secure and the shape doesn't bother me lol. I think it's because the 'opposite magnet' can stick to the smaller magnet. If you're not sure, just give it a try, don't believe the negative reviews and see for yourself. UPDATE: Almost Lost! But mostly it was my fault. Obviously, like any magnet, it loses power the thicker the material between the two magnets. I moved it to a thinner spot and everything is fine. Also, ladies, I like to attach it by "hugging" the bra strap so there is no material between the magnets. So you will feel much more reliable and will not have any problems.
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