Detail GuardzĀ car wash inserts are the most efficient way to work around your vehicles, without being interrupted by stubborn hose & cord jams. Our ultra-smooth roller system allows for easy movements, without the need to tug and adjust your equipment. This unique tool has a locking mechanism, it instantly grips the tire, ensuring even the strongest forces can't knock it loose. Just quickly slide them into place and forgetĀ about pesky hose & cord troubles.