Kenmore 158.1813 Instruction Manual page 18

Section j
Page 16 b
You will find that much of your sewing is in the mending category . For this
reason you have been provided with a stitch for the repair of tears .
It is accomplished with illustrated setting and variegator set at red dot . When
the Variegator'is turned to S, a Smocking Stitch results . For directions see
the next section of this book .
The setting illustrated is used for special edge finishing and special stretch
stitch for sewing elastic such as sportswear, girdles and other garments that
require stretch . See next section of this book for detailed use of the stitches .