
1) Winter sport
Found on
https://www.crosswordclues.com/clue/skibobbing

Skibobbing is a winter sport involving a bicycle-type frame attached to skis instead of wheels and a set of foot skis. This is what actually defines `skibobbing` the use of foot skis. Although the original idea for a bicycle with skis was patented as early as 1892, and skibobbing had been a form of transportation in the Alps, it was not until 19.....
Found on
http://en.wikipedia.org/wiki/Skibobbing

a winter sport using a guidable, single-track vehicle that has features of the bicycle, the bobsled, and skis. The longer rear ski is fixed, and the ...
Found on
http://www.britannica.com/eb/a-z/s/105

Skibobbing is a sport practised on any ski slope on a low elongated vehicle resembling a bicycle with skis in place of wheels, one fixed at the rear and the other mobile in the front to allow steering.
Found on
http://www.probertencyclopaedia.com/browse/OS.HTM
No exact match found.