the locations 15 of the needles in the appropriate needle bars 16 the mounting units 10 have a general plane designated aa aa further fig3 shows a transverse axis a 39 of said mounting unit the transverse axis is an arbitrary line approximate to the mounting hole 16 passing through the mounting unit 10 parallel to edges 17 and 19 which provide between them the face in which the guides 20 are mounted suitably soldered in the conventional manner fig2 further shows an axial plane bb bb this is a theoretical plane in the embodiments shown the flat elongated head portions 21 and 24 of the yarn guide members 22 and 22 39 lie parallel to this plane the longitudinal axes of the flat elongated head and shaft portions of guide members 22 and 22 39 lie parallel to this plane and said plane is perpendicular to the general plane aa aa of the mounting unit 10 in the preferred embodiments of the invention the shaft portion 12 of a guide member 22 is mounted in mounting unit 10 in any given set of guides 20 at least one member 22 thereof has its central portion 25 bent towards an adjacent guide member 22 39 and the elongated head portion 24 thereof having eyelet 27 in the end thereof oriented with its plane parallel to the shaft portions 12 and 112 alternatively member 22 39 may have its central portion 125 bent towards an adjacent guide member 22 and the elongated head portion 124 thereof having eyelet 127 in the end thereof oriented with its plane parallel to.