When they released the Thunder Plug, Sport Fucker called it "revolutionary." While it may not look exceptional, it has a feature that you may not have ever seen before.
This butt plug actually taps your prostate as you move! There is a three part interior which creates a deep, penetrating thud. The thin neck and ergonomic flange were designed to be worn all day. When worn for an extended period of time, the constant and steady tapping on the prostate will slowly and steadily cause... well... leakage. Try and find another plug to do that!
Content: 100% Medical Grade Silicone.
Approximate Dimensions: 1 7/8" Bulb Diameter, 4 1/2" Total Length, 2" Neck Length.