Sides (plurale tantum)
·? (bellows: leather between the cheeks [Term not mentioned in available sources]); ·? (bellows: leather between the cheeks [Term not mentioned in available sources]); ·? (leather between the cheeks of the bellows [Term not mentioned in available sources]).
Identical types: 5The essential piece of pleated flexible leather between the cheeks of the bellows.
Breathnach, Breandán: The Irish pipes. In: The bagpipes in Europe, 1 (1976), p.1.