Karen usually started slow to warm me up, but not this time... I think she was eager to show Sarah a real punishment. A few seconds after she moved behind me the tawse crashed across my upper back, causing me to groan and arch my back.
She quickly followed the first lash with another just below it, and another one just below that. I gritted my teeth and grunted with each blow and began the dance, twisting against my chains.
"Oh my God you guys, this is so hot," Sarah said.
"It gets better," said Karen, and she struck my ass as hard as she could.
"Jeez, that hurts Baby,"...