The Rocker can be fitted to the rope at any point.?It can be used hands-free, when travelling up and down the rope.?The Rocker has been designed for use without a Shock-absorber. The Rocker can also be used as a Rope Adjuster on a Work Positioning Lanyard or Flip-line (in accordance with EN358). The Rocker is a self-tailing device, but the Thumb-catch can be used to park the device on the rope, for Work Positioning or use as a Rope Access back-up?device.? The Rocker is fitted with?non-aggressive ‘rope friendly’?cam faces. The Rocker is suitable for 2 person load (maximum dynamic load rating 200kg/440lbs). Please read the Blog story (top right-hand side of page) for full information.