wheel clamp
noun🔊/ˈwiːl klæmp/
🔊/ˈwiːl klæmp/
(also clamp)
(both British English) (North American English Denver boot, boot)
a device that is attached to the wheel of a car that has been parked illegally, so that it cannot be driven away 车轮夹锁（用于锁住违章停放的车辆）