Nick T

I've mounted multiple pairs of skis (Helio 116, Backland 95 and 107, Movement Alp Tracks 100) sans shim and without shortening the screws - no issues on any of my setups.

Spot on about the cord locking mechanism being a weak link. I've personally sheared both of mine while post holing through mank and into talus. (Voile straps to the rescue!) Carrying backup cord, as well as voile straps for both boots is highly recommended if you are mountaineering with Aliens. As for the full liner coverage, it is actually an overlap that does not impede the walk mode. At least that I know of, as I've not owned the prior Alien w/o such liner. But I can't imagine it being too much differen...