succession along the entire weaving zone to cooperate with the rotating shuttle weft yarn packages which are provided with at least one off centered magnetic element application_number US 23825588 A description the accompanying drawings referred to herein and constituting a part hereof illustrate the preferred embodiment of the present invention and together with the description serve to explain the principles of the invention in the figures the reference numeral 1 indicates the rotating reed of the multiphase loom 1 39 the fixed reed and 2 the heddles which cause the warp yarns 3 and 4 to cross over and form the successive sheds 5 6 7 see fig3 specifically into which the equidistant shuttles 8 conveyed in a carousel arrangement by a conveyor chain 9 and drive rollers 10 are inserted the shuttles 8 are guided upperly in the weaving zone 11 by a shuttle pusher bar 12 and each contains a yarn package 13 rotatable about its central pin 14 and carrying the weft yarn 15 which is unwound from the package by the effect of the travel of the shuttle along the weaving zone the package being made to rotate and is deposited in the shed where it is beaten up by the reed 1 against the edge of the forming fabric 16 each shuttle 8 contains a yarn package 13 which as noted can rotate about central pin 14 the yarn package 13 contains at least one magnetic element 17 located anywhere on the yarn package 13 except the central pin 14 by so positioning the magnetic element 17 it will describe.