If you press switch on edge does it bind or crunch?
Is switch smooth as a well oiled machine or a little scratchy?
It was initially a bit crunchy but after a day or so it's been smooth. Shortening the throw of the switch by tightening down the negative contact also helps because more of the switch is inside the cylinder when you press it, making it more difficult to bind. If you're way off it might not make contact with the battery, but it's not an issue for me.
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