Have a Lil Smokey amp and a Energy Saver light bulb?
http://www.instructables.com/id/make-a-E-bow-variant/ (http://www.instructables.com/id/make-a-E-bow-variant/)
(http://www.instructables.com/files/deriv/FYQ/J5JE/G825HZK5/FYQJ5JEG825HZK5.MEDIUM.jpg)
already have one
In case your guitar player isn't already overplaying enough -- now he can play continuously!
:P
who needs a guitar player? ::)