How to slide a cannon box rail on skis?

Ok so I can slide a regular box at my local resort they are about 10or12 inches wide and there is a small cannon box rail NOT LIKE THE ONE IN THE X GAMES it's small maby 6 inches wide and Mabey you could do a 360 off it but NOT rodeos or anything like that so I was wondering if u guys could give me some pointers on it