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]
Gear of the Year
The best tools, tech, and toys of 2013.
Plus: Lance Armstrong's Downfall
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