On a more serious note, try the search function in the upper right part of the screen. There are lots of threads like this and many who support pumps as a PE method for girth gains.
I got mine from Love Honey. They accept returns for any reason on every item they sell for up to 1 year after purchase, so if you don't get on with it you can just send it back and get a refund. Only had mine a week so cant really say if its any good yet.