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Stadia Controller's Two Extra Buttons Get Seen With WebHID | Hackaday
Need more buttons for your PS4 controller? This gadget adds two on the caboose | TechCrunch
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The PlayStation 4 controller: What's new with the buttons and triggers (part 3, exclusive) | Page 2 of 2 | VentureBeat
PlayStation 4 DualShock finally has cost-friendly back buttons: Review | Mashable
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Sony's Back Button Attachment is finally back in stock, so here's our review | Ars Technica
HEX RIVAL Pro PS5 controller review – Bringing hexy back - GAMINGTREND
