Attach and retrieve carabiners quickly with SUPERCLIP
Amazon.com : Superclip Standard, Carabiner Clip and Quickdraw Removal Tool, Weighs Less Than 2 Ounces, Holds Carabiners Open for the First Bolt on a Route, Avoid Ground Falls : Sports & Outdoors
Stick Clips, Stick Clipping, and Sport Climbing - The Undercling
The Best Stick Clip for Climbing: Our Top 3 for Safer Ascents (2022)