We tested the best on their grip strength at the Invitational last year… now it’s your turn. April 17 –27, sign up for the Hanging Tough Challenge at roguefitness.com Challenge: Max one hand hang from a pull-up bar while holding 53/35LB Kettlebell in the other hand. #ryourogue #roguefitness #roguechallenges #gripstrength #challenge