the entire length s of the segment for a functioning of the device it is not necessary that the bearing face 19 bears against the clip 7 over the entire length s or that the retainer is hooked on the card flat bar over the entire length s it is sufficient if the length of the bearing face 19 and of the retainer 14 amounts to part of the segment length s the length and the size of the bearing face 19 and retainer 14 are to be selected such that no damage to the card flat bar 1 or to its surfaces occurs as a result of the introduction of the retention force into the card flat bar during the pressing operation furthermore it is also conceivable to execute the movement 13 of the lever 11 by means of a drive fig5 shows a diagrammatic illustration in cross section of a second device embodiment for drawing off a clothing strip 6 from a card flat bar 21 the card flat bar 21 shown with the clothing strip 6 fastened to it corresponds to the card flat bar 21 according to fig2 in the left hand half l of the illustration the device likewise has a bearing face 39 and a retainer 34 the bearing face 39 and retainer 34 are firmly connected to one another and are joined together via a centre of rotation 32 by means of a spike 30 and an associated lever 31 to form the device the retainer 34 and the bearing face 39 form a unit.