grip strengtheners Do grip strengtheners work? We asked rock climbers to weigh in Do grip strengtheners work for rock climbing, or are they just another gimmick to get you to part ways with your hard earned money? Advnture NewsletterAll the latest inspiration, tips and guides to help you plan your next Advnture!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors MOST READ1Best warm-up for trail runners: an easy eight-minute routine2Marathon final-place finisher’s video becomes inspirational internet sensation3Fjallraven Abisko Hike Trousers review: lightweight comfort for summer hikes and active travel4How did this Colorado peak just get demoted to the shortest 14er in the state?5"The bear probably had a pretty traumatic experience" – disturbing video shows people hauling cub out of tree for selfies