The blood that's drawn out in damp cupping is thought to hold unsafe substances that, if remaining in your body, could lead to sickness.- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -The cup is then reapplied to draw out a little volu