You must be thinking of this? Fly Clapper on
Ebay<http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&_trksid=p4340.l2557&item=250810164012&nma=true&rt=nc&si=XpoVjqzAcnYDkDPPkBxAYWXRrLU%253D>

On Tue, Jun 21, 2011 at 10:41 PM, John Rodgers <inua@charter.net> wrote:

>  Ever bothered by flies when camping? Well, they were a problem when I
> lived in Alaska, and they are down in Alabama as well. Around 1990 when
> in Alaska I bought an injection molded plastic two-flap pistol-grip fly
> swatter. There were two flaps mounted on a barrel, which in turn was
> attached to a pistol grip handle. The thing worked on spring tension.
> When cocked, and then the trigger pulled, the two flaps would slam
> together much the way your hands do when clapping, catching the fly in
> the middle - right out of mid-air. I really liked the thing. That
> ability to nail an aggravating fly in mid-flight was a handy thing. And
> it beat having to have a hard backing like a table or wall or bowl or
> Grandma's apply pie as a backdrop in order to kill him with the single
> flap type fly swatter. Nothing worse than swatting a fly and have the
> squashed carcass flip off the swatter onto the last slice of Grandma's
> apple pie.
>
> I have not seen one of these since around 1992 or '93. Only ever saw
> them in Alaska. I did learn they had come from California, but never
> learned more. But surely they will be out there somewhere. Hopefully
> someone has seen these and know where to get them. Would appreciate
> hearing of a source. Really great for killing the flies that get into
> ones camper or tent.
>
> Thanks,
>
> John
>
> --
> John Rodgers
> Clayartist and Moldmaker
> 88'GL VW Bus Driver
> Chelsea, AL
> Http://www.moldhaus.com
>