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Buttonholes
The following 3 types of buttonholes are available.
q  Square buttonhole
This buttonhole is widely used on medium to heavy 
fabrics. 
w  Round-end buttonhole
This buttonhole is used on ne to medium weight fabrics, 
especially for blouses and children’s clothes.
e  Keyhole buttonhole
The keyhole buttonhole is widely used on medium to 
heavy fabrics. It is also suitable for larger and thicker 
buttons.
q  w  e