53 which has been in contact with and has been displaced along the surface of the cloth can enter into the small clearance formed between the cloth and the weft yarn 44b see fig3 b due to the pressing down force as the pushing out device 53 is further displaced in such a direction that it departs from the cloth the weft yarn 44b is separated from the cloth accordingly the weft yarn can be removed by means of an appropriate taken up means or by means of manual operation it is preferable that the front end of the pushing out device 53 be slid along the surface of the cloth for a distance between that equal to one or two weft yarns and some centimeters due to its construction the front end of the pushing out device 53 can surely be inserted into the small clearance between the cloth and the weft yarn 44b which has been picked latest so that it is assured that the weft yarn 44b which has been picked latest can be pushed out even when the position of the cloth fell is varied in the moving direction of the pushing out device due to the change of the textile weave or when the position of the cloth fell is slightly varied along the width of the same cloth accordingly when the above described variations are small the distance over which the pushing out device slides can be very small the apparatus for performing the above described method will now be explained referring to fig1 and 4 fig1 is a side view illustrating the driving system of an air jet loom of the present invention similar to a conventional loom driving power is transmitted to a crankshaft 15 from a driving motor 11.