The fast reverse button emoji represents rewinding or going backwards.
Unicode: U+23EA
The fast reverse button emoji depicts a double left-pointing triangle, typically used to symbolize rewinding or reversing media playback. It can also represent going back in time, revisiting past events, or undoing actions.
"Can we ⏪ and watch that scene again? I missed a crucial detail."
"Sometimes I wish I could ⏪ and relive my college days."
"If I could ⏪, I would have made a different career choice."