Well first, of course, I mean of the skis I’ve tried, and I haven’t tried that one. I think the Twister is a reasonable all mountain ski, so it wouldn’t surprise me to see a similar construction marketed as an all mountain ski. However, based on other experiences, I was not able to conclude that the dimensions are the sole determining factor for edge release. Bevel should be a factor, but I wasn’t able to see significant differences from other skis. I’m sure camber and rocker would affect it and perhaps other factors I’m not aware of, but I imagine that stiffness is a big deal. When the ski is put on edge the wider tip and tail causes the ski to bend into an arc which allows it to turn. A stiffer ski will resist that bending and exert more force to straighten, thus the tips and tails will have more force pushing and digging into the snow. A ski needs to have good torsional stiffness to hold an edge, but a mogul ski is built to be soft. I think therefore, many mogul skis have diagonal support to give stronger torsional stiffness without giving too much longitudinal stiffness. A ski that’s just plain soft may pivot well, but not hold an edge. I always heard that a mogul ski is soft to absorb bumps, but a more important feature maybe for it to pivot easily by releasing the edges. Again, I don’t believe it’s any one feature, but instead, every characteristic is optimized for edge release while still having good edge grip.