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It is a 'on-station grinder', a centralized station for turning the winches of the sheets (lines) attached to the clew of a sail. They are multi-speed, meaning you can have a serious mechanical adv...
Answer
It is a 'on-station grinder', a centralized station for turning the winches of the sheets (lines) attached to the clew of a sail. They are multi-speed, meaning you can have a serious mechanical adv...