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New Happ 3" Trackball Sticking.
Knievel:
It's binding against the hole the ball pokes through. I bought 2 new ones and they were both like that.
Loosen all the screws that hold the 2 parts of the casing together. Then slip some spacers(I used pieces of cardboard) in between the halves and tighten it back together. The difference is amazing.