Singing Rock Cam Clean Chest AscenderCompact and lightweight chest ascender for safe and smooth ascent, rescue and special rope techniques simple and quick manipulation for dynamic and low stretch ropes lower hole angled to keep flat position on a harness stainless steel toothed cam for higher corrosion resistance and for any conditions (frozen or dirty ropes) upper hole for attaching the PULLER shoulder strap to keep the rope clamp in a correct position trigger with a short descent