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COVER HEM STITCH FORMATION (NARROW & WIDE) 30
Needles rise to form loops. Chain looper
start its motion from right to left.
Chain looper pass into neelde thread loops.
Fabric move forward to the next stitch and
chain looper move to the front of the
needles.
Needles go down into the thread triangle,
and chain looper is moving to the right.
Chain looper is releasing needle thread
loops.
Needles are in the lowest position and chain
looper is set at the extreme right position.