Thanks to its fantastic design and functionality, the Cosring Strike Cock Sleeve gives you unthinkable power in the bedroom. Its double serving of cock and testicle rings prevent premature ejaculation and increase your erection strength. Thanks to the ribbed and uneven inside of the ring, your shaft enjoys amazing stimulation whenever you wear it, while your balls snuggle up inside the tight dome of their stretcher ring. Trust us, this is a feeling that cannot be obtained from regular masturbation alone!