Well after some nice backcountry skiing this past weekend I had some encounters with rocks(check out the pics). I have a couple deep gashes in my skis. This is my first pair(wasted money on demos before) so I'm not sure how to fix such things. I was told there is a "ptex" or similar wax that is melted into the cracks...I was told it's also quite cheap. So, how do I fix this myself? Can anyone lead me in the right direction? Thanks bros...