In work situations, is greeting by an elbow bump permissible between two non-Mahram people?

MahramEmployment
In work situations, is greeting by an elbow bump permissible between two non-Mahram people?
Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answer updated 3 years ago

It is not permissible because it is a type of touching with cloth with a non Mahram.

Wassalam.