Hi Terry, I made a variety of those thingees for a friend who has arthritis in his left arm. It took the impact effect off his arm and now he can tune with great ease. I also made one for me but end up giving it to him as well. I , and he, prefer the stick with hammer felt punching glued to the ends. You can get some REAL impact with that arrangement. Bonger and ear plugs - un out beatable tuning. Newton
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