When you are travelling Japan you will observe very interesting things while using public transport. In a train or a bus the driver is likely to talk and seemingly magically point with his finger and wave his hand.

You will very likely observe a behavior that might not make sense at first but is fascinating to see. And all is to ensure the safety of the vehicle and all it’s passengers.

It might look like this:

Pointing and calling is a method in occupational safety for avoiding mistakes by pointing at important indicators and calling out the status. It is common in Japan and railways of China. It is sometimes referred to by its Japanese terms, shisa kanko (指差喚呼), shisa kakunin kanko (指差確認喚呼) or yubisashi koshō (指差呼称).

Making large gestures and speaking out the status helps keeping focus and attention. The method was first used by train drivers and is now commonly used in Japanese industry.

It is recommended by the Japan Industrial Safety and Health Association (JISHA, 中央労働災害防止協会)

.
Pointing and calling requires co-action and co-reaction among the operator’s brain, eyes, hands, mouth, and ears.

Wikipedia