A manual is when you ride on the back two wheels of the skateboard.
A variant of this trick is preformed one footed. Thus calling it the One footed manual.
... (9.1 mi²) of it is land and 0.3 km² (0.1 mi²) of it is water. The total area is 1.09% water. Demographics As of the census of 2000, there are 468 ...