Trutelsack (m)
(with) definite article: deName mentioned by informants in Bonnert and Toernich (district Aarlen, prov. Luxembourg); NB: According to Boone, "Trutel could be a variant of German Dudel, or related to troet, which is the term used in prov. Brabant for a melodion (button accordion)".
Boone, Hubert: De doedelzak. Woord vooraf door J. Van Haver en A. Doppagne… Inleiding door R. De Maeyer… Brussel, 1983, p.24.