> > ... I made an electric fence to keep snails out of the
> > veges. 
> 
> You could sell the concept to Gallagher.

I made the first in the mid-80s, long before anything like the
Interweb was around, and don't recall it not being an original
idea. However, it's fairly easy to find similar products these
days, eg

http://www.snailaway.com/press/press_images/snailaway_assembly/index.html

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