He was all wrapped up in transparent cling film, hands tied up above, ready to be My lab rat. I started by cutting the wrap covering the bits I was interested to observe and punish: his nipples and his cock. I started with his sensitive nipples and I discovered they reacted very well to clamps, slapping, twisting and ... the cane. This slave was able to maintain a perfect erection from the beginning to the end of My experiment regardless of how much pain he endured. I end it up by caning his cock until it bruised in multiple places, and it remained hard like a rock. Therefore, My experiment... Show more