Once the edges are finished, you can start with the 90-degree edges. Again, remove any raised nicks. Work slowly until both edges are sharp. Snow is certainly not an easy substance to categorize. Old Snow - As snow ages, its crystals lose thir sharp points and become rounded.
Old snow looks grainy.
It's no longer in its crystaline form and can be moist, water logged, or frozen. It causes less friction on your skis. Moist Snow - Moist snow has already been partially melted. As the temperature drops, it forms ice spheres. It is least aggressive for wax and ski bases.