What could be more innocuous than a handshake? Not a special handshake, but a conventional handshake where the only contact is between the two hands. Well, using the pretext of being anti-Islamic, two Muslim brothers have objected to shaking the hand of their female teacher.
This has resulted in numerous educational department rulings & reversals as this issue wends its way through officialdom and ultimately the Courts in Switzerland.
Main picture: No handshake exemption for Muslim pupils, Swiss canton rules