Abstract: A device for a textile machine for doffing full bobbins, loading empty bobbin tubes, and forming an attachment tail on the bobbin tube. The device includes a pair of arms supporting a bobbin tube at opposite ends and being pivotable between a winding position in which a yarn is wound on the tube and a releasing position in which a full bobbin can be removed by moving one of the arms away from the other. The device includes also a reserve lever for forming an attachment tail on a new bobbin tube when the latter is in the driving position. The reserve lever is operated during movement of the arms between the positions thereof by transmission means between the pivot shaft of the arms and the lever. in the driving position.