sentences:  When the skiboard halves are joined, the skiboard has a central, waist portion and an upward curving front shovel area.The left and right loose heel bindings may be secured on the left and right skiboard halves when the skiboard halves are divided, oriented substantially parallel to the longitudinal axes or the skiboard halves.When the skiboard halves are joined, the left and right loose heel bindings are mounted on opposite sides of the skiboard waist at an acute angle less than 35 degrees from the longitudinal axis.