A.S.H.
Contributor
I'm unaware of a "the sign for safety stop", where does that come from? Sounds like local practice to me.
Missing a safety stop is not a problem.
Unless there's a real risk of getting separated, or having someone who's struggling, I would not want to hold hand with someone.
There's a universal sign for "let me do my stuff and mind your own business", it consists in one finger up, with all others in a fist. Usually you leave the middle finger up.
I agree...