Equisports Massager Leg Adapter w/ Gray Cover (Discontinued)

The Equisports Leg Adapter with SureChek cover helps reduce pain, muscle tension, and stiffness by accessing/targeting areas around the legs for a deeper, more penetrating massage. The curved pad on the Leg Adapter allow you to access difficult to reach areas and target/isolate tender muscle knots around the legs, helping alleviate pain and tension. Quickly and easily attach this accessory to the Equisports Massager with hook and loop fasteners. Made in USA and contains no latex.

FOR CALIFORNIA RESIDENTS ONLY WARNING:
Cancer and Reproductive Harm – https://www.p65warnings.ca.gov/
I’m not from California, what is California’s Proposition 65 law and warning about?