Recently a friend came back to the United States a "Wholesale vibrator cock ring". After his girlfriend tried epicenter ring, she almost collapsed last time, that is not an exaggeration. Epicenter ring is a very soft rubber ring, vibrator part driven by three button batteries (not replace, at least to support 20min, probably by about 2 to 3 times). Wear a condom the first time with, then "Wholesale vibrator cock ring" set on his brother, placed the roots, and then turn on the switch, also will start to vibrate brother, his girlfriend sitting in lotus lotus posture ride to the epicenter ring pressed her clitoris, hitting home! Add that this "Wholesale vibrator cock ring" greatly enhanced stimulation of the woman, but my little stimulation