Conventional carabiners lock via a screw toggle or spring gate. They're trusted mechanisms but require two hands to operate. The Black Diamond Magnetron reimagines the system: Magnets keep the arm in place; pinching two latches releases it. The magnets never lose their attraction and are a stronger, quicker system for securing climbers. [$25; blackdiamondequipment.com]
Mark Ruffalo's Good Life Formula
How Hollywood's greenest star found peace.
Plus: The New Whiskey Masters
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