Police said Sandro was “skitching,” a dangerous act of hitching a ride by holding onto a moving vehicle while riding a skateboard, bicycle or roller skates. … Hitching a ride on a vehicle in California while riding a motorcycle, motorized bicycle, bicycle, roller skates, sled or toy vehicle is illegal, Barber said.

Skitching is illegal in many areas and considered dangerous. It is most common for skitching to take place in urban areas where there is heavy but relatively slow traffic. This is because skitchers can sometimes hang on to busses, vans, and sometimes even cars without the driver becoming aware.