Kamasutra Of the various modes of striking, and of the sounds appropiate to them

SEXUAL intercourse can be compared to a quarrel, on account of the
contrarieties of love and its tendency to dispute. The place of striking with
passion is the body, and on the body the special places are:

1. The shoulders
2. The head
   
3. The space between the breasts
4. The back
5. The jaghana, or middle part of the body
6. The sidesS

Striking is of four kinds:

1. Striking with the back of the hand
   
2. Striking with the fingers a little contracted
3. Striking with the fist
4. Striking with the open palm of the hand