B13  Welted buttonhole
This is a template pattern for the hand sewn welted (bound) buttonhole.
NOTE:
B3-B13 are sensor buttonholes and the sewing procedure is the same as for 
B1.
Buttonholes and Specialty Stitches
Variety of Buttonholes
B1  Sensor (Square) buttonhole
This square buttonhole is widely used on medium to heavy weight fabrics. The 
buttonhole size is automatically determined by placing a button in the foot.
B2   Auto (Square) buttonhole
This is also a square buttonhole similar to the sensor square buttonhole, but 
you can manually set the buttonhole size and the machine memorizes it to sew 
buttonholes of the same size.
B3   Round end buttonhole
This buttonhole is used on fine to medium weight fabrics especially for blouses 
and children's clothes.
B4   Fine fabric buttonhole
This buttonhole is rounded at both ends and is used on fine, delicate fabrics 
such as fine silk.
B5   Keyhole buttonhole
The keyhole buttonhole is widely used on medium to heavy weight fabrics. It is 
also suitable for larger and thicker buttons.
B6   Rounded keyhole buttonhole
This buttonhole is used for thicker buttons on medium weight fabrics.
B7   Tailored buttonhole
This durable buttonhole is used with thick buttons and heavy fabrics.
B8   Keyhole buttonhole (tapered reinforced end)
This buttonhole is used for tailored clothing, woven cloth etc.
B9   Keyhole buttonhole (heavy reinforced end)
This buttonhole is used for tailored clothing, jackets, particularly men's wear, 
woven cloth etc.
B10 Stretch buttonhole
This buttonhole is suitable for stretch fabrics. It can also be used as a 
decorative buttonhole.
B11  Knit buttonhole
This buttonhole is suitable for knit fabrics. It can also be used as a decorative 
buttonhole.
B12  Antique buttonhole
This buttonhole looks like the heirloom stitch. It has an attractive handmade 
appearance and makes a nice decorative buttonhole.
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