Another difference is that the Bone has no spring to cause it to engage, instead as it is weighted, the spine tips causing the upper arm to engage the rope.
The release is unique as well, although I have never had a chance to try the Roperunner, but as the upper arm is squeezed down it seeks to force a bend in the rope, which is opposed by the weight on the line.
The release is unique as well, although I have never had a chance to try the Roperunner, but as the upper arm is squeezed down it seeks to force a bend in the rope, which is opposed by the weight on the line.










