Warp knitting machine arrangement

A warp knitting machine arrangement which withdraws a fabric (10) over a fixed knock-over edge (9) of a knock-over bar (8), has a piercing comb including individual sinkers (3) movable to and fro between needles (1) that hold the fabric, a needle slider for moving each needle, said sinker (3) having a lower edge (15) extending approximately at right angles to the needles (1) in a specific position in relation to the knock-over edge (9), characterized in that the lower edge (15) forms one side of an approximately right-angled recess which has another side (14 or 20) on said sinker (3) extending away from such lower edge (15) and reaching at least to a level of the knock-over edge (9), and said another side (14) being adjustable by adjusting the setting of said sinker (3) relative to a back (13) of said needle (1).