if the rust is superficial, just ski hard and it'll come off, if it's deep, take a gummystone or sandpaper or bring it to a shop to have the edges sharpened (if you care about edges)
also, as mentioned, wipe your skis after use and store em somewhere dry ...
-=|NS EURO MOD |=-
Belgium represent !
Once You drop in, it's all "Hakuna Matata" !
"The windows are vertical how am i going to poop on those?"-Killabees
"God isn't black, you fucking moron!"-Shibby
"I shit rainbows and sneeze glitter."-Arabian
"Giving a cat any amount of credit is just stupid."-ElGato