You can find clothes pins clamp to nipples and tits then smack them off with a wooden spoon.
Alternating 5 minutes on 5 minutes off with regular clamps will cause increase in pain over time.
chain the clamps together and attach one to each pussy lip. count down and pull off hard and fast.
Chain both nipple clamps and put on nipples then wrap chain around door handle. slam door shut so it pulls them off.
Impact to either area before and after clamping will help it be more sensitive to pain.
Chem play with toothpaste, icy hot, hot sauce etc.