4 Needle , flatbed, double chain stitch machine with rear puller metering device - 4 needle, flatbed multi - functional machine with smooth puller ( optional). This machine series is flatbned, multi needle, double chain stitch machine. This series is multi - purpose mechanism which is used for attaching elastic, waist band and sewing the front of shirts, attaching line tapes, smocking and shirring, which are ideal for underwear, sportswear, lady's clothes, interior decorated goods.