Hand Placement: Lift your left arm slightly, and place the fingertips of your right hand in the peak of your left axilla (armpit). (massagetoday.com)
Hang the breast over the bowl and slowly submerge up to the axilla. (twiniversity.com)
The hands, feet, armpits (axilla), and the groin area are the most active regions of perspiration because of the relatively high concentration of sweat glands in these areas. (sciencedaily.com)