a method and apparatus to remove a defectively inserted weft thread includes preventing the severing of the weft thread from the ready supply of weft thread , releasing lengths of weft thread less than twice the width of the material from the ready supply of weft thread , blowing the released weft thread by pulsating blowing into the shed containing the defectively inserted weft thread , severing the newly inserted weft thread and the defectively inserted weft thread from the ready supply , and removing the weft thread from the shed by pulsating blowing of the weft thread .