The thing just works. You can even adjust the tension of each joint with the included hex wrenches. I found my Samsung Note to be too heavy for the factory tension, but I was able to tighten the connections slightly to hold it in place. in the middle of the arms) has no way to tighten it after wearing it a little. My solution was to use a vibrating tool to cut thin slits between each of the 4 "jaws", then install a stainless steel clamp around all 4 jaws - and restore the ball joint to working condition. a long wooden handle (which is hinged at the back end) to make a read-in-bed mount for my tablet - and it worked great in that role. I would give it 5 stars if there was a way to tighten a worn ball joint.
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