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Inside the Ribat. What is that giant corkscrew? Jean-Marc V. Liotier explains:

This piece of wood is part of the hand press from an olive oil mill. The large beam is embedded in an alcove with the screw going vertically through it. The screw is used to guide the part that actually presses the olives that have been previously milled. The resulting oil needs some filtering and it is then fit for consumption.

This design is in use in many places around the Mediterranean.


Click Here to find out more about these types of mills. Look at the drawing toward the bottom of the page.