You said bung
The benefit of the carboy cap is that it covers the entire mouth of the carboy. Bungs leave the top lip exposed as well as the little crease in between the bung and lip for wild yeast and other junk to collect during a long aging.
The benefit of the carboy cap is that it covers the entire mouth of the carboy. Bungs leave the top lip exposed as well as the little crease in between the bung and lip for wild yeast and other junk to collect during a long aging.