The diameter of a cigar is referred to a the ring gauge. Tobacco, usually the wrapper leaf of a cigar. For mildness, the wrapper is grown under tents and is not exposed to sunlight. The tobacco that makes up the heart or center of the cigar. There are two main types of filler, short and long.
Short filler consists of leaves that have been cut into many small pieces.
The majority of machine made cigars are done so with short filler. A cigar that is placed in a tube. A cigar that is placed in a tube. Most tubes are aluminum while some are glass. This again is a simple device which makes a vee shaped slit in the cap of the cigar.