Corporal punishment tests at The Institute are hotting up as Mr Johnson selects a stinging leather tawse to apply to Helen Stephens’ bare bottom. Lying flat on his desk, her cheeks quiver, ripple and bounce as the strap bites into the soft roundness. “It’s more comfortable lying down,” admits Helen, “but the tawse still stings like hell.” See spectacular slow-motion replays of those impacts between bare skin and leather!