Kenmore 50 Instructions Manual page 46

BLIND STITCHING
Fold and baste hem. Turn back so that edges of
hem project beyond fold. Set sewing machine for
straight stitching and stitch along fold of hem for
approximately _inch. Then zigzag one stitch using
stitch width set on 2, catching the right side of the
material. Continue straight for _ inch and repeat
process until hem is completed.
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OVERCASTING
Set stitch width to 4. Set stitch length at 4. Zigzag
stitch around raw edge of fabric to completely cover
the edge.
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