In the case of a lithic industry showing as little as morphological variation as the Thessaly Neolithic (early 6th - end 4th millenia B.C.) macroscopically-visible gloss from use can be used to distinguish a group of tools (glossed pieces) which are thought to have been used for the gathering of cereal crops. The association of techno-morphological and functional features shows that, throughout the Neolithic, the preferred manner of use of flint blades is parallel to the long axis (sickle-blades), and, most frequently, as sickle elements, or pieces shortened or modified by intentional breakage, retouch or truncation. Oblique hafting of sickle elements is less common than previously thought. Intensive re-use of these pieces by re-sharpening or by re-shaping indicates an effort to conserve flint ressources.Moundrea-Agrafioti Antiklya. Pièces lustrées du Néolithique thessalien : essai de classement. In: Traces d’utilisation sur les outils néolithiques du Proche Orient. Table ronde CNRS tenue à Lyon du 8 au 10 juin 1982. Lyon : Maison de l'Orient et de la Méditerranée Jean Pouilloux, 1983. pp. 199-207. (Travaux de la Maison de l'Orient, 5
