**** 指さし確認:YUBI-SASHI-KAKUNIN; Confirmation by finger pointing****
”YUBI-SASHI-KAKUNIN” was started in Railroad conpanies and spreaded to
the factories in dangerous environment.
Foreign people may think it is nonsense but it works very well.
You can see the training (at 1:50) and the effect (at 2:15) in this movie.