come up w/ knees bent...i find it easier to not go rite up the center wen ur ridin up to it...so if u spin right on to the rail then go up the left side..and visa versa...but once ur in the air make sure you are already thinking about puttin ur weight on ur front foot ..and still have ur legs shoulder width apart...once u make contact u should slide it fine if ur boots are above the rail/box and u leaning forward with ur weight on ur front foot....good luck!!!