You need pens that are biodegradable... :-)
They might be hard to find, but it is probably even harder to avoid dumb
customers.
Yet another reason why your target market should always, always, ALWAYS be
pilots. I haven't met a dumb one, yet.
Some of our other guests, however....
;-)
--
Jay Honeck
Iowa City, IA
Pathfinder N56993
www.AlexisParkInn.com
"Your Aviation Destination"