01 Sew backrest panel on foam or non-woven underlay
02 Stitch through backrest panel and attach retainer tape
03 Sew side panels on foam or non-woven underlay
04 Ruffling of side panels
05 Sew centre panel on foam or non-woven underlay
06 Sew side panels on backrest panels and attach retainer tape
07 Sew extension piece on backrest panel
08 Join bottom parts
09 Sew bottom part on centre panel
10 Sew centre panel on side panels
11 Sew side bottom on side panels
12 French seaming of closing seam on side bottom
13 Attach retainers
14 Sew covering panel on backrest