The DoubleO 6 vibrating ring is designed with two specially positioned rings for an extra-secure fit. Simply stretch one ring around the shaft and the other around the testicles. It features a powerful 4B bullet that delivers deep, rumbling vibrations, along with new 4LR44 long-lasting batteries and raised pleasure ticklers. The Screaming O 4B DoubleO 6 offers couples intense mutual pleasure right where it matters!