So... I've now had my third major ding to my skis in the last coupe years due to jostling of skis inside a roof box. This time it was on a pair of brand new skis, so I'm a bit more peeved than before. With one exception, these have been cosmetic dings, but... I confess I like the cosmetics to last as long as possible.
I often carpool with friends to the slopes. Typically there are three or four of us, with up to six or seven pairs of skis. (Several of us own two pairs, and we don't always know until we get to the mountain which will be most appropriate.) Several of us - including me - own one of the smaller boxes that hold just about that many pairs of skis. Edges or protruding parts of bindings of one ski sometimes creates gouges in the topsheet (usually) or edge of another pair of skis. I have an old sleeping bag pad in the bottom of the box to help prevent sliding and shifting and to add a bit of cushion. I always bind my skis together with straps to shield the bases and reduce - but not eliminate - exposure of the edges, but this does nothing to protect the rest of the ski. There is not room in the box for each pair of skis to be bagged. (And bags are a PITA in my view anyway.) What do others do to prevent this problem?