The squire garage guard is for securing up and over garage doors with t handle locks it prevents opening the garage door by forcing the t handle it secures the t handle even if it is broken damaged or if the t handle itself isnt locked the garage guard rotates freely when attacked resisting levering and forcing of lock it acts as a visible deterrent thieves can clearly see that the garage is secure it is easy to fit lightweight and easy to use no diy skills needed fits the majority of t h