Gajdzićki (f) (plurale tantum)
From the first lines of the folk song "Zagrejcie gajdzićki, z tej siwej kozićki…" [Play, little bagpipe with that [i.e. your] white goatskin…].
Gajdzićki
Szymonowiczowie, Katarzyna & Maciej: Gajdosze (album). Żywiec, 2014, p.13.