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 Harnesses by Singing Rock please browse our Singing Rock Harnesses page. Liberty Mountain Puller Chest Ascender Harness