Hey, Snick,
Is that a city-bred cousin to the whip-bows that my dad told us how to make? Essentially, you took a buggy-whip (dating myself there, I suppose) or a springy switch, and you could use it to launch an arrow with no little force. We used a whole arrow, though...
Hmmm.
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It's the SUSPENSE that kills me! --Bugs Bunny