Put down the heavy (and kinda scary, TBH) kettlebells and step away from the abs "machine." Instead, let us show you the ropes—literally. Ropes—from battle ropes to a piece of rope you'll find around ...

Some commercially available rope grabs are manufactured with "anti-panic" features that lock onto the lifeline even when they are grasped. A Prusik sling, however, does not have this feature, so it ...