Re: Captains of Crush gripper challenge
Never seen an adjustable one. I've seen all kinds of weird contraptions, though. This regular old familiar design seems to be what people are measuring themselves by these days. I was surprised they were measuring grip strength competitively or working on it so much at all, but apparently it's a big new deal.
I did see some other grippers advertised here and there, with varying loads. Like up or down 10 pounds, etc., more or less harshly knurled grips, whatever. These ones I have are smoothly but well knurled; if you let your fingers or hand skin slip much, you'll definitely feel it, and maybe build up calluses.
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