in an apparatus on a carding machine for cotton , synthetic fibers and the like , in which at least one flat bar with a flat clothing is present , in which a clothing strip having a flat clothing , preferably wire hooks , arranged in a strip - form support element , is secured to a support body of the flat bar and lies opposite the clothing of a roller , e . g . the cylinder , the spacing between a surface defined by the tips of the flat clothing and the tip circle of the cylinder clothing decreases in the direction of rotation of the cylinder . in order to be able to alter and adapt the angle in a simple manner in terms of mechanical engineering , the top face , of the clothing strip and the tip surface of the flat clothing are not aligned parallel with one another .