Sony’s adding back buttons to the PS4 controller via this official attachment
https://thenextweb.com/gaming/2019/12/17/sony-dualshock-ps4-controller-back-buttons-attachment/
Sony today revealed an official attachment for its Dualshock 4 controller, called the Back Button Attachment. This adds, as the name suggests, a button and a pair of paddles to the back of the controller.
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