SINGER W1422 - Manual (Page 26)

Pretty colored patterns can be made by sewing with a
twin needle and differenLcolored threads.
SEWING WITH A TWIN NEEDLE
Presserfoot.................................................. zigzag foot
Pattern selector............................................0 2
(zigzag width
less than " •=
make)
Stitch length dial..................................................
1. Set the pattern selector in the range of " ,
otherwise a needle may hit the needle plate.
2. Insert the twin needle in the same way as a single
one (flat side away from you).
Place two spools of threads on the spool pins.
3. Pass both threads upto face plate thread guides as
for single needle stitching.
4. Separate the threads on needle bar thread guides and
needle eyes.
Note: *Be sure to place the two round felts provided in the accessories over
the spool pins. To turn a corner with a twin needle, you have to take
the needles out of the fabric, otherwise the twin needle will break or
bend.