| 摘要 |
A method for propelling a skateboard. The method includes applying an alternating lateral force to first and second sides of a first end of the skateboard. The skateboard first end is offset from a second end of the skateboard, and the first and second ends define a board plane. The skateboard includes a truck assembly and a caster assembly. The caster assembly has a caster pin at an angle with respect to the board plane. Other embodiments are also disclosed.
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