After much research I decided to use this cuff instead of an arm strap. It has minimum noise and hopefully maximum security for my RX10 IV. Two shortcomings mentioned in some reviews can easily be remedied. Some people say the straps are difficult to adjust, but if you just thread the bottom of the strap (opposite the leather-covered part) through the metal strap instead of trying to slide the strap along the strap, there's no problem. Other reviewers state that the strap does not fit as a "bracelet" when removed from the camera. To fix this, all you have to do is squeeze the magnet (under the leather piece) along the strap until it's where the switch clip fits on your wrist. I would have liked a stronger magnet, but the cuff is only secondary "decoration". I find the cuff to be very well made, gives the needed feeling of security when attached to a heavy camera and is worth the price. However, I will keep a close eye on the wear on the tether.
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