Common name in South Tyrol (also Spiegeln, from Latin "speculari" = to look around, to keep a lookout) for gleaning; see there.
A custom practised in many countries to give the (overlooked) grapes left on the vines after the grape harvest (main harvest) to the public, or to allow this gleaning for certain groups of people such as the poor or children. In some wine-growing areas it was customary to deliberately leave some grapes hanging for the gleanings. In the Ahr and Moselle regions, the Glinn bell was rung at the end of the...
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Egon Mark
Diplom-Sommelier, Weinakademiker und Weinberater, Volders (Österreich)