This oval weight is made of stainless steel. Pain is pleasure, and the Kelis Teeth Spiked Ball Weight will prove this to you time and again as you expand your erotic games and unleash your imagination. The ergonomic oval shape fits perfectly between the base of your penis and your testicles. The wide hinge opening allows for easy attachment and removal. A built-in O-ring at the front is designed for securing cables and restraints. Four adjustable spikes enable you to fine-tune the pain with expert precision.