Bend her over the pillows and insist that she keep her bare bottom offered up for discipline. Then Strap, Brush, Cane, and Paddle in that order. Make that naughty bottom experience what a hot, red, burning, throbbing spanked bare bottom feels like. OW, OW, OW, OW, OW she says. That and the gasping and moaning and whimpering, plus the sexy bucking and bottom wriggling and reddening is how you know it's working very nicely.