Instructables
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Use safety glasses while operating the drill, jigsaw and hacksaw used to make the wine barrel wine holder. Use work gloves and latex type gloves where appropriate.
In California, you can find a half barrel as low as $15 and  if you pay more than $25, you paid too much.
You can find half-wine barrels in a lot of hardware and gardening stores (at least in California) and use them to create a cute wine rack, and easily transport it inside or outdoors!