Redefine your core workout with the Perfect Fitness Ab Strap. These heavy-duty straps connect easily to your Perfect Pullup or any standard pull-up bar and feature mountaineering-grade steel carabineers for security. Targeting the muscles in your core, the Ab-Straps feature upright workouts as well as leg lifts and off-the-floor crunches for a truly challenging session. Cushioned with thick foam padding, the straps stay comfortable throughout your workout.