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PlayStation 4 controller - R2 trigger has came off one of these little hinges (more detail in comments) : r/fixit
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Data Frog Bent L2 R2 Buttons Triggers Extender Kit For PlayStation 4 PS4/PS4 Slim/PS4 Pro Game Controller Accessories - AliExpress
Controller Thumb Grips L2 R2 Extended Button for PS4 Enhance Stick Controller - Walmart.com
L1 R1 L2 R2 Trigger Button Replacement Compatible With Ps4 Pro Dualshock 4pcs | Fruugo NO
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how to fix broken L2 R2 triggers no cost on dualshock 4 on ps4 playstation - YouTube
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