Please remember when signalling the 'Shots Scored' from the 'head' to the 'mat' that some people do not have good enough eyesight to read 'fingers'!
Communication between a player on the 'mat' and the player at the 'head' is best achieved using hand signals. Some of the more acceptable signals are listed below!
A few more you are likely to see
I'm not liking this one!
It's going to take a miracle to save us now
Only another half hour till lunch
I'm off to the washroom
Images came from various 'free sites' including :-
https://www.freepik.com/free-photos-vectors/people">People vector created by vectorpocket - www.freepik.com