Local name especially in the Austrian winegrowing region Styria and also in Slovenia (here Klopótec) common noise device, which is placed in the vineyard as a scarecrow. Here the Klapotetz is also the wine-growing landmark. The Klapotetz was already mentioned in 1797 in a manuscript. From 1832 there is a pictorial representation of a castle at Celje with a Klapotetz. Also dealing with viticulture Archduke Johann (1782-1859) had a Klapotetz on his winery in Pickern.
The mostly made of cherry or plum wood wheel consists of bobbins that produce a rattling (slaw klaptati = rattling) noise and ultrasonic sounds by the wind and thus the Schad birds to evict. In Austria, the wind turbine usually has eight, in Slovenia only six wings.
The largest Klapotetz in the world stands since the year 2010 in Schloßberg (Leutschach) in Styria. It has a 9m deep concrete foundation, is 19m high and weighs 25 tonnes. Traditionally, these devices are put into operation on Jakobitag (July 25) and closed Martini (November 11) shut down again. The device is under the Biological crop protection used. See also below Bauernregeln and Customs in viticulture,