15
To
sew
in
reverse
or
backtack
the
end
of
a
seam,
simply
depress
fingertip
control
(12).
The
stitch
width
is
regulated
by
pushing
stitch
width
control
(18)
toward
the
left,
as
may
be
desired.
Various
zigzag
sewing
operations
are
dis
cussed
on
page
26
and
the
following
pages.
