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Domestic Bobbin Winder Rubber Ring, The rubber ring helps to keep the balance wheel in place and prevents it from turning too quickly
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(edit with the Customer Reassurance module)
(edit with the Customer Reassurance module)
Domestic Crank, the term often refers to a human-powered crank which is used to manually turn an axle, as in a bicycle crankset or a brace and bit drill. In this case a person's arm or leg serves as the connecting rod, applying reciprocating force to the crank.