US 8622298 A description fig1 is a conventional pattern for a seat cover and which would be knitted in a similar manner to a cover described in u s pat nos 5 308 141 and 5 326 150 a fabric piece for covering a seat base of an automobile seat can be continuously weft knitted in a single operation the fabric piece is of mainly double jersey structure and is knitted on a flat v bed knitting machine provided with a conventional presser foot device or other loop hold down device for holding down the knitted fabric between the opposed needle beds of the machine the fabric piece is knitted from a knitting pattern which is a two dimensional development of a three dimensional knitted fabric seat cover the direction of knitting indicated by arrow a is such that the wales of the fabric piece extend in a desired manner across the seat base this may be dictated by a pattern on the fabric or by other technical considerations the knitting of the fabric piece is described in detail in ep a 0 361 855 and will only be further described herein so as to give background information for understanding the present invention in fig1 the line b l represents the length of opposed needle beds of the machine on which the piece is knitted the needles operate to form fabric along vertical lines only that is in wales referring to the pattern 1 the knitting begins on a few needles at point d on the needle bed and more needles are brought progressively into action course by wale in the direction from d b and from d e to begin to define.