The hand signal for a change to double file will see the leader extend their left arm up at the elbow with their hand facing forward -- very similar to both "Follow Me" and "Single File" signals.

Groups of motorcyclists also use several hand signals to communicate with one another. If you're new to a group or have someone new join your group for the first time, it's a good idea to review ...

This military sign language is standardized as visual signals and may vary from one branch of the armed forces to another. To keep things simple, we'll be referencing the U.S. Army's 2017 Visual ...

The league will debut new rules this season, including the pitch timer, which means umpires will have a brand-new signal to call. Emma Baccellieri | Feb 17, 2023 It’s a big spring for MLB umpires.