When sandwiches go bad, they go disgustingly bad. We’re talking mealy tomatoes, bread that wads like cotton candy, and pale stacks of factory frankenmeats weeping saltwater.

We’ve documented some of the worst offenders in CHOW’s Sandwich Hall of Shame, but we’d be fooling ourselves if we thought the badness ended there. That’s why we’ve launched CHOW’s Bad Sandwich Challenge on the Instagram mobile app for iPhone. Use the hashtag #badsandwichchow and share the worst specimens you can find!

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