Sir and i found a wireless remote control egg, that works quite well when we are out in public. in fact he loves to turn on the vibrations when i am talking to a sellsman and laugh when i loose my concentration.
here is a link to one site.. although i am sure if you put in wireless remote control eggs in a google search you are bound to find one:
http://www.adameve.com/product.asp?s...ookie%5Ftest=1
azzie