The oldest, easiest, and most common way to preserve chiles is to dry them. Aside from a few of the thick-walled, meaty varieties such as jalapeños, most chiles are well-preserved by drying them at home. There are several different ways to dry chiles, employing both traditional methods and new technologies.  
The ristra, or chile string, is the oldest and also the most attractive method, and it is still customary in many chile-producing countries. There are several different ways of assembling these strings.  
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