All I can say. Is wow. I never really understood the need or want for one of these, but after receiving this as a gift I figured. Why not give it a try? Fellas. Using the pump. Imagine a wine bottle. Yeah. A wine bottle. I suggest doubling up and using a $#*! ring with this device to really take advantage of the "GAINS". But nonetheless. Expect to be impressed. Using the included "pocket friend", I don't think I could ever go back to Classic Coke. It's Wild Cherry Pepsi for me from now on. Combining these is a recipe for… I'll leave that one for you to discover. There's a detachable vibrating piece, the little white egg inside the pump. I'm just gonna say this. Get yourself a pack of smokes, some Barry White, and nice bottle of Sherry. You're welcome in advance.