Koprenac (m)
reed protection (inside the bag), rendering even air supply and protecting the reeds against pollution from the bag
A piece of fabric ("gauze") covering the reeds, to protect them against pollution from the bag; Bilogora mountain region.
Gojković, Andrijana: Narodni muzički instrumenti [Folk musical instruments]. Beograd, 1979 (»Lovrenčević [86]).