The Butt Kicker

[Greco101]

http://www.amazon.com/s?ie=UTF8&tag=...Mozilla-search

How do you feel about these systems? Anyone have 1st hand experience with 'em?

[d_stilgar]

Make magazine had an article with a "how to" on how to do this yourself.

http://www.makezine.com/images/02/DIY_home.pdf

There's a link to the free instructions. The off the shelf versions tend to be overpriced by a long shot. Use the instructions there. I think it would add to certain games. Definitely a fun mod. Good luck!

[Luke122]

http://www.partsexpress.com/webpage....WebPage_ID=222