FUN FACTORY - Stronic Surf - BlackThe G spot gets a lot of attention, but it isnt the only area designed for pleasurable stimulation. The STRONIC SURF uses wave like ripples to provide targeted massage along both the front and back vaginal walls, including the perineal spongean area on the back wall known for its high concentration of nerve endings. Broader stimulation can create a more intense overall experience. If sharply defined ridges feel overstimulating or uncomfortable, the