Doesn't work at all.

On our annual week-long camping trip in the Adirondacks the flies are always overwhelming so this year I thought I'd try these traps. The warnings about not putting them close to where you sit are a joke. You can put your nose right up to it and it doesn't smell bad at all. After a week we had caught about 16 flies and the other 16 million were laughing at us.

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