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A knife with a hinge in the middle to allow exact division of pies, cakes, pizzas &c.
The idea is pretty simple: take a knife, put a (vertical) hinge in
the middle, then cut up any circular food to exact measurements.
My proposition is that there be a small pin at the top of the hinge,
which first of all is inscribed with various values around its side to
allow the food to be
divided into thirds, quarters, sixths, twelfths,
&c. &c., and secondly to lock the blade in place when the desired
angle has been achieved. Since there can't be any slicing
movement, the blade has to be adequately sharp, and there could
be handles at both ends of the blade, as well as one at the hinge,
for extra leverage. Both blades would have to be quite long,
maybe 10 inches to accommodate the largest of pizzas and cakes.
My take. [phoenix, May 31 2009]
||Guessing a hinge in the vertical, so the tip can
point back at you. A '/\' shaped pizza cutter.
||[wjt] you have the idea, it is indeed /\-shaped, sorry if it wasn't
||I wouldn't call it a knife, it would be more of an adjustable cookie cutter. [+]