This is a fast reverse button, which consists of two overlapping
👈 triangles
◀️ on the left, and the background color will be different on different platforms. It is usually very common in early video tapes
📼. When you miss certain episodes or want to watch again, you can rewind the video to the previous part. You can back up or return to
🔙 check again, or you can show your regret of something. Contrary to
⏩.