(a) No person riding upon any motorized bicycle shall attach the same or himself to any vehicle upon a roadway. No operator of a motorized bicycle shall knowingly permit any person riding upon a motorcycle, motorized bicycle, bicycle, coaster, roller skates, sled or toy vehicle to attach the same to himself or to any vehicle while it is moving upon a roadway.
(b) Except as otherwise provided in this subsection, whoever violates this section is guilty of a minor misdemeanor. If, within one year of the offense, the offender previously has been convicted of or pleaded guilty to one predicate motor vehicle or traffic offense, whoever violates this section is guilty of a misdemeanor of the fourth degree. If, within one year of the offense, the offender previously has been convicted of two or more predicate motor vehicle or traffic offenses, whoever violates this section is guilty of a misdemeanor of the third degree.