apparatus for the production of short warps , particularly cloth designs in multicolor weaving in which differently colored yarns are wound one after the other and are crossed while being wound , including a drum of generally conical configuration upon which yarn is wound , the drum being rotated during a winding operation , a carriage adjacent the drum , guideways supporting the carriage for sliding movement generally parallel to the axis of the drum , the carrier having detachably secured thereto a carrier section , a slide bar carried by the carrier section for separating selected yarn from remaining yarn , the slide bar being movable generally parallel to and transversely of the drum axis to separate selected yarn , at least one lease rod and one overrun rod carried by the carrier section for movement parallel to the drum axis , and a cam for moving the lease rod generally transversely of the drum axis and the overrun rod generally parallel to the drum axis .