Use as many as you can.
gestures can detract from a speech when:
too many are used
they give emphasis to the word
they are unsuitable
they are nervous habits
they show loyalty

Sign wet paint when you see this sign, what will you say to other people that is going to sit? a. you must stay away from the area because it is under construction. b. you must not sit on the bench, so just stay away from it. i’m just not sure which one is correct