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Your fastball is 92 in the first inning. By the sixth, it's 89. That's not your arm. It's your grip. D1 pitchers lose an average of 23% of their grip strength between the 1st and 7th inning — and that decline shows up directly in spin rate, command, and velocity. Every pitch type taxes a different plane of the forearm. Four-seam needs pronation. Curveball needs supination. Changeup needs neutral wrist control under pressure. If any one of those planes is undertrained, the pitch breaks down before the arm does. The Gripzilla Tornado's ball-and-socket design is the first grip tool that trains all three planes simultaneously. Same demand as the mound. Same fatigue pattern. Same recovery. Fits in your bat bag. 10 minutes a day. Used between innings, in the dugout, on the bus.