cigar problems

What Causes A Cigar To Tunnel

What Causes a Cigar Tunnel?

Gary KorbA cigar tunnel (or tunneling), a circumstance in which a cigar’s wrapper leaf doesn’t burn, causing a cave-like formation in the foot of the cigar, can be caused by several factors: First, the binder tobaccos could be to blame. The purpose of the binder leaf is to help all of the tobaccos burn at approximately the same rate. Therefore, if the wrapper is too moist, too thick, or too oily, it may not burn at the same rate as the filler and binder. (Maduro and Oscuro cigar wrappers tend to be much oilier than most shade grown and other “natural” wrapper leaves.)

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