A car wedge, also known as a wheel chock, is used to prevent a vehicle from moving while it's stationary. Without a wheel chock, a vehicle could roll away and cause damage or even an accident.
Other uses for wedges include:
Vehicle wedge barriers
These barriers are used to protect sensitive entry points from unauthorized vehicles. They can be installed as a standalone unit or combined with other security products.
Air pump wedges
These wedges are used to help open cars. They can be purchased as part of an auto entry tool kit.
Car wash wedges
These wedges can be used to help wash a car and keep the hose from twisting or loosening.