Bottom bared, Belinda Lawson bends over Mr Johnson’s desk at The Institute for another dose of discipline - this time with a stinging ping pong bat. “It stung more than I remembered, but I broke the bat!” said Belinda. Being watched closely by friend Helen Stephens didn’t help: “She couldn’t stop smiling at me, but she was next!”

Bottom bared, Belinda Lawson bends over Mr Johnson’s desk at The Institute for another dose of discipline - this time with a stinging ping pong bat. “It stung more than I remembered, but I broke the bat!” said Belinda. Being watched closely by friend Helen Stephens didn’t help: “She couldn’t stop smiling at me, but she was next!”