Generally it is to take the plate to another location to remove the registration tag. Sometimes they are stolen to be placed on to another vehicle (perhaps a stolen vehicle).

Pranksters usually steal “catchy” personalized license plates so they can hang them on their bedroom wall as a trophy.

It is a slight deterrent to the theft of license plates. Because most thieves carry special tools that are needed to remove these types of screws (or bolts).

The folding reversible frame allows you to install your registration tags on any of the four corners in less than ten seconds without removing the frame. Also the screws (or bolts) that are normally used to attach your license plate to your vehicle are now hidden out of sight so thieves cannot remove them. It takes longer to change your yearly registration tags with the other styles of locking license plate frames.

Due to the manufacturing cost.

They are illegal because generally the sun rays will “bleach” or dull the plastic that is used for these shields thus making it very difficult for anyone to read the plate numbers or letters (especially law enforcement). They also reflect light, such as headlights.

No – but the Rotating Tumblers will work.