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Aluminum Bottle Tumbler Cup & Cook Pot for an Alcohol Stove

Step 2Cut the Neck Off

Cut the Neck Off
Cut the neck off the bottle at the location shown in the picture. It should be at the full diameter of the bottle; below where the neck starts to taper.

Aluminum bottles are a thicker gauge than aluminum cans so utility knives won't work.

I use a hack saw to cut the bottle. Cut around the diameter rather than trying to cut straight through. The saw teeth will catch on the edge of the bottle and leave ragged edges.
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