Wavy Knits & Gathering; Stretching To Prevent Puckering - Siruba HSO-747D Instruction

[ WAVY KNITS & GATHERING ]
For perfectly flat seams in stretchy knit
garments, the front feed teeth need to feed
faster than the rear feed teeth to prevent
stretching the fabric. To Gather, the front feed
teeth will also need to feed faster than the rear
feed teeth. By using a long stitch length, (See
page 24 to adjust). your fabric will easily gather.
Set differential feed motion at "G".
.

[ STRETCHING TO PREVENT PUCKERING ]

To avoid any puckering in seams on lightweight
woven fabrics or smooth nylon, the rear feed
teeth must feed faster than the front feed teeth.
The front feed teeth, therefore, holds the fabric
taut to prevent puckering.
Set the differential feed motion at "S".
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