Законодательно запрещены любые "нестандартные приемы" езды на велосипедах.

Sec. 154-1414. One-handed steering.

Every rider of a bicycle, tricycle or other vehicle propelled by hand or foot must keep at least one hand on the handlebars of his machine when riding it.

(Code 1956, § 38-203) State law references: Similar provisions, R.S. 32:195.