Singing Rock Puller Chest Ascender Harness S1100BY. To increase the efficiency of your rope climbing system the system must fit the user perfectly. The Puller-Chest was designed to eliminate slack between your body and your chest ascender thus increasing efficiency dramatically. (Not for use as a fall arresting chest harness). Specifications for Singing Rock Puller Chest Ascender Harness: Manufacturer: Singing Rock Additional Features: No Auto Igniter: No Water Resistance Level: None Features of Singing Rock Puller Chest Ascender Harness: One Size Package Contents: Singing Rock Puller Chest Ascender Harness The Singing Rock Puller Chest Ascender Harness is a quality addition to the Singing Rock lineup. For more great deals on Climbing Harnesses by Singing Rock please browse our Singing Rock Outdoor Gear page. Liberty Mountain Puller Chest Ascender Harness