This compact device, known as a cam or spring-loaded camming device (SLCD), can be a lifesaver for climbers. Rock climbing is a high-risk sport where even a small error can lead to serious injury or worse. This particular type of retractable mechanical cam is designed to protect climbers in wide rock cracks, where traditional cams may not work effectively. It features a spring-loaded telescopic rod that expands slowly when the activation button is pressed, allowing it to fill the gap securely. O

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The new Neox belay device from @petzl_official, is designed for single pitch gym or crag climbing. It has an interesting camming mechanism that’s quite different than a Grigri. . Here's a closer look. . And, in case you're wondering . . . According to the Petzl website, it's fine to use the Neox (or Grigri) to belay your second directly from the anchor like this. Do a Google for: “Petzl belay from above neox” I made a post earlier today that said it was wrong to do this, because that’s what I re