Well, the same can happen to motorcycle riders. And there's a hand signal for that, too. In order to let someone know that their turn signal is still on, a rider will extend their left arm outward ...

For instance, the leader of your biker group may swing their left palm downward to signal other bikers of the group to slow down. Similarly, there's another important hand gesture that you should ...

This hand signal will tell their riding group that they need to slow down their vehicle. When the lead biker notices that the road ahead is now clear, they can signal their motorcycle group to ...