This is a multi-part message in MIME format. ---------------------- multipart/mixed attachment > I've had a question about the "ball type" tuning levers. I bought one > last year because the buzz was that these hammers are "ergonomically > correct." i.e., align everything to make less stress on the joints, > etc. Are there studies proving this? No, and there won't be. The ball end doesn't align anything. It gives the operators the option of aligning themselves as they see fit, to minimize strain. It's a sphere. You can come at it from wherever you like, so try holding it slightly different. The diameter of the ball is important too. When I made mine (a $0.50 track ball from a garage sale, and a length of 7/16" stainless rod) I thought the 2 1/4" ball was probably too big. Now, I don't think so. Instead of butting the bulk of tuning stress on a couple of fingers (especially the way I used it on verticals), I can hang on to the ball end with all five digits, full contact, with my wrist at a comfortable angle rather than where the hammer handle points it. I find this makes a tremendous difference. A year and a half ago, I broke (smashed) my index finger at the base, and severely sprained two other fingers of my right hand in an auto accident. That was a Thursday. With index finger taped to middle finger, I started tuning again that Monday with this hammer. I wouldn't have been able to use my old Hale under the same circumstances. It's light, very comfortable for me, and quite rigid enough to meet my qualifications. I only carry the one hammer, and I haven't yet run into a piano it won't work on. Best hammer I ever used. If anyone's interested, do a Google search on cue balls. They're available for around $5. Different strokes. Ron N ---------------------- multipart/mixed attachment A non-text attachment was scrubbed... Name: hammer grip.jpg Type: image/jpeg Size: 30655 bytes Desc: not available Url : https://www.moypiano.com/ptg/caut.php/attachments/cf/78/5e/38/hammergrip.jpg ---------------------- multipart/mixed attachment A non-text attachment was scrubbed... Name: hammer.jpg Type: image/jpeg Size: 54806 bytes Desc: not available Url : https://www.moypiano.com/ptg/caut.php/attachments/4b/c0/15/e1/hammer.jpg ---------------------- multipart/mixed attachment--
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