Suvattu (m)
(with) definite article: ? [u [lu?] / lu [lu?] ?]non-return valve of the blowpipe
Named after the type of leather (called sivu) that is also used for the confection of harnesses and leashes for horses.
In fact, it is made up of a disc of well greased leather, fixed with a small nail (Zzipula) to the lower edge of the blowpipe (Scanneddu).
Bonanzinga, Sergio: La zampogna a chiave in Sicilia. In: La zampogna: gli aerofoni a sacco in Italia (2005), II, p.197.