Putk esimik [?] or/and Putk [only?] (gender unknown)
Term used only in combination with "esimik", or also independently?
Leydi, Roberto: La zampogna in Europa. Como, 1979, p.115.
Tonurist [sic], Igor [Tõnurist]: The Estonian bagpipe. In: The bagpipes in Europe, 1 (1976), p.49.