Why are you 'cupping' your hand and not spanking her properly?
That isn't spanking, that is a joke. It's more fitting of some shambolic commercial video of alleged soft core bdsm with blond giggly bimbo's from sunny Cali-forn-i-a
Either hit her properly or give up is my advice... and I do know what I am talking about
Oh yes - she is way spankable. I love that you just took her, then left. Next time make her stay in position for a few minutes. Much respect to both of you.