Originally Posted by essxjay
You mean, something like a rubber mallet? Sounds reasonably effective but not terribly sexy.
There's just something about the idea of nuking ID that turns on the closet pyro in me.

Yes. It's not sexy but it'll knock loose rusted rotors and put the RFID chip out of its misery. If you're going to use it after you've used it on a rotor put something over the passport to avoid staining it.
Deadblow hammer.