SINGER 14T968DC Professional 5 Workbook Part 2 - Manual (Page 51)

Five-Thread Safety Stitch Narrow
This stitch is a combination of a Two-Thread Chainstitch and a Three-Thread Overlock
Stitch. It is suitable for woven fabrics and provides a durable seam for heavy weight
fabrics such as denim and terrycloth. Using this strong and stable safety stitch
eliminates the need to reinforce the seam with a conventional sewing machine straight
stitch. The Pressure Adjusting Dial makes it simple to sew on all weights of
fabrics. The Five-Thread Safety Stitch can have a width of 2.8mm or 5.6mm
depending on which overlock needle position is chosen.
Five-Thread Safety Stitch Narrow page 1
Hint: Try a wider stitch width (6.5)
for thicker fabrics such as Terrycloth.