The girls are sent to the bedroom to change into pajamas before an all to familiar Friday night ritual with their strict step-dad. Laying side by side, they await his lecture about their behavior during the week and the delivery of his displeasure across their backsides. A thick strap burns through the thin fabric of pajama pants, clenching and crying as the licks fall. One at a time, their pants are pulled down to their thighs for strapping in their…