""trillo Haut Aragonese" Threshing Instrument...folk Art"
Trillo from Upper Aragon, in solid wood (fir) where sharp pieces of flint are set.......As is......Height 132 cm.....Thickness approximately 5 cm.....width of the Base 50 cm and 38 cm of the upper part....Drawn by a donkey on a round, flat and windy area, the Trillo was used to separate the grain of wheat from the ear. 
Le Magazine de PROANTIC
TRÉSORS Magazine
Rivista Artiquariato