01 Sew seat panels on foam or non-woven underlay
02 Stitch through seat panels and attach retainer tape
03 Ruffling of side panels
04 Sew side panels on foam or non-woven underlay
05 Sew seat panals on seat panels and attach retainer tape
06 Sew extension parts to seat panels
07 Attach bottom parts
08 French seaming of closing seams on bottom parts
09 Attach retainers
