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It’s been 13 years since the advent of the best-selling GRIPMASTER, the individual-finger-strengthening finger/ forearm trainer you’ll find on the dashboards and in the cragging packs of, well, most climbers. Now it gets an update even more in tune with the needs of us grimpeurs: the PROHANDS PRO ($21.95, prohands.net), available in three tensions: Medium (7lbs); Heavy (9lbs); and Extra Heavy (11lbs). Building on the Gripmaster model, the Pro adds a larger profile, ergo palm bar, and wear-resistant steel springs. The device is fun, and the pump more wicked than Skeletor; I used my Heavy squeezanator for a post-training mega-workout and to warm up at the cold October cliffs.

—Matt Samet

Film: How Matt Cornell Free Soloed One of America’s Classic Hard Mixed Routes

"The Nutcracker" explores the mental challenges of solo climbing and the tactics Cornell used to help him send the route.