Do not talk to others with your hands in your pockets.
Swiss from the German- and French-speaking cantons tend not to use their hands as they speak; those from the Italian-speaking areas use their hands much as the Italians do.
Do not speak loudly.
It is inappropriate to chew gum in public.
When crossing your legs, do not rest your ankle on your knee.
Never place feet or legs on a desk, chair, or table.
Pointing to your head with your index finger is considered an insult.
Physical contact is not usual, and backslapping would not be appropriate behavior.
Good posture is important; and poor posture is considered rude.
If you attend a play or concert and must pass in front of others to get to your seat, face the people in your row as you are passing with your back to the stage.