Sony files a patent application for a new PlayStation controller that has buttons which include a strange and unique feature.

Sony has filed a wild 'button hardness' patent, that's somewhat similar to past DualShock controller functionality, with a few additional wrinkles.

Sony seems to be experimenting with the idea of a PlayStation controller that has a dedicated "rewind" button, according to a recently-published patent. The patent, spotted by Tech4Gamers, is for ...