got lic plate bolts like that-not 100% fool proof but will slow you down if you do not happen to have the right wrench. should stop 'spur of the moment' theifs. you can't stop a determined theif, best you can do is slow em down to the point they'll look elsewhere and items like this will discourage the 'rip and run' theifs.
There's a reason why you shouldn't grease up your hinge pins the first time you remove your doors...thieves may be high tech with all the latest tools and stripped nut removers, but I bet they don't carry a floor jack and a block of wood with them! :flipoff:not to mention that any stripped nut remover in a cordless 18 volt reversible impact driver will make that useless. thieves nowadays are high tech...they can strip a Jeep doors off in 10 seconds while your at the fast food counter ordering!