Alpine Savvy on Instagram: "Is a DMM Revolver pulley effective in a hauling system? . I had this question in a crevasse rescue class that I recently taught, so I thought I
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DMM PerfectO Straight Gate Carabiner - Snap Carabiner - Express Sets & Carabiners & Slings - Climbing - All
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Amazon.com : DMM Revolver SG Carabiner, Gunmetal with Gold Gate : Locking Carabiners : Sports & Outdoors
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