Similarly, there's another important hand gesture that you should be aware of while riding in a group. This signal involves a biker putting their left hand up with the palm facing forward.

One of them is a hand signal that involves you sticking your left arm fully out to the side with your palm facing up. From there, you repeat the motion of lifting that arm up and down.

One of them is a hand signal that involves you sticking your left arm fully out to the side with your palm facing up. From there, you repeat the motion of lifting that arm up and down.

The SOS hand gesture gained popularity on TikTok during the pandemic as a signal for people to indicate they were unsafe. The violence at home signal for help has been popularized on TikTok.