One more thing (taken from
http://www.cigarnexus.com):
"Cigars are hygroscopic in nature. In lay terms, this means that they will over time dry out when in a dry climate or absorb moisture in a humid one. And they will continue to do so until their own moisture content matches that of the ambient climate around them.
A damp cigar will not burn properly. Not only will it be difficult to keep lit, but also difficult to draw on. The smoke may become too dense leaving the smoker with a sour taste and a rank aroma. Also, over moist cigars will commonly split their wrappers.
A dry cigar will burn too hot. Without the proper level of moisture, the combustion temperature of your cigar will be too high and the smoke will be hot and acrid against your palate. The smoke may become overly aggressive and you will lose many of the subtle nuances of flavor that a properly humidified cigar would of given you. Also, dry cigars will lead eventually to the early evaporation of their essential oils and reduce their overall flavor and aroma."
Maybe that will help you solve some probs.... I still don't think it's your cutter.