Not only is it a no-no as others have pointed out, I'd sum it up as unwise to boot. Between pressure changes, vibration, and the general way checked baggage is handled, I'd be concerned about the screw top unscrewing.

It might keep the bugs away, but I'd rather not smell like I bathed in stove fuel. smile
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-IronRaven

When a man dare not speak without malice for fear of giving insult, that is when truth starts to die. Truth is the truest freedom.