Re: Dumb Question...Cigar Caddy...
keep it closed.
When you take a flight or travel from one altitude/pressure to another, the case may be "sucked shut" with the pressure differential. Opening that valve/the knob allows you to equalize the pressure, and open the case without prying it open with a screwdriver/crowbar.
Last edited by replicant_argent; 11-10-2010 at 12:51 PM.
Reason: brain wasn't using the right phrases.
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