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Old January 21, 2013, 09:39 PM   #2
alex0535
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Join Date: November 4, 2012
Location: Georgia
Posts: 908
They are probably just taking the little flint sticks intended for use in zippo lighters and shoving them into a hollow point.

When flint hits steel it ignites and burns at 3000 degrees.

Same reaction as striking a lighter without the butane.
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