One of the many occupational names derived from Schaff/Schaffel (wooden vessel) (also Scheffler) for the cooper; see there.
Handicraft profession for the production of containers and vessels, mostly made of wood, for example also of wine barrels. Depending on the country and region, there were or are various names for this, such as Binder, Böttcher or Bottiger (from Bottich), Böttner or Büttner (from Bütte), Fassbinder,...
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Markus J. Eser
Weinakademiker und Herausgeber „Der Weinkalender“