A drag mechanism is arranged between a spool and a spool shaft and includes at least one first drag washer, at least one second drag washer and a drag knob. The at least one first drag washer has on an outer circumferential portion with at least one interlock protrusion. The at least one second drag washer is arranged with respect to the first drag washer along an axial direction of the spool. The drag knob is configured to be threaded onto the spool shaft to selectively adjust an amount of pressure acting on the first and second drag washers.

 
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