Splitboards are a snowboard that split into skis. With the skis, and climbing skins you travel up hill. Once at your destination, you re assemble the board, and shred it up.
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"And isn't sanity really just a one-trick pony anyway? I mean all you get is one trick, rational thinking, but when you're good and crazy, ooh ooh ooh, the sky is the limit!"
--The Tick