Updated: Nov 3, 2020
A great way not to shake hands, namaskar. Namaskar with your hands creates an energetic effect that separates u from the other person/people karma. (That's the way they do it in India- it's not just an equivalent of shaking hands).
U see in Indian culture effected by the Yoga, they don't want to get involved with your energy, not by touch, and not even by thought. This also creates an effect that when u do namaskar, u see the person in front of you without any prejudice, not a male or female, not old or young, not of this culture or that. Just as a human being