ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,171, issued on March 25.
"Cock ring" was invented by Xiaoxuan Wu (Guangdong, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A cock ring is provided in the disclosure, which includes a penis sleeve part, a first stimulating part and a second stimulating part which are flexibly provided in sequence. According to the cock ring according to the disclosure, the penis sleeve part is sleeved on the penis, so that the testicles or perineum contacts and abuts against the first stimulating part, and the second stimulating part is inserted into the anus, and thus when the first stimulating part and the second stimulating part function in stimulating at ...