| 摘要 |
A bobbin for tying a fishing fly includes a pair of arms connected at respective first ends and spaced at respective second ends, each second end having a generally axially spaced bearing surface configured to receive a hub of a spool. A tube for receives a thread from the spool and a screw is connected to the arms generally between the first ends and the second ends and extends generally parallel to the axially spaced bearings for adjustably controlling the arms in a manner to apply an amount of pressure on the hubs of the spool wherein the screw is configured to permit one's hand holding the bobbin to adjust the screw.
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