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Zig-zag hemmer
for
rnussel
seams"
Fig.
45.
Mussel
seams.
The
hemmer
for
mussel
seams
is
used
for
this
work,
which
is
.
very
suitable
for
'thin
materials,
silks,
srockinerre,
erc"
The wid'th
of
hem
is
about
4
mm
and
the
breadth
of
the
zig-zag
seam
should
be
large
enough
ro
make
the
,eedle
Fig.
46.
31
'/.iy,-'r.trg
presser
foot for
darnine
with
wool,
with
lowered"
feed motion"
l).rss
r.r
f
raction beyond
the
outer
edge
of the
hena.
The
r
lr
rcad
tension
should
be
tight
enough
in
relation
to
rhe
tlrickness and firmness
of
the
material
ro
make
the
,nlussels''
s
t
;ul
d out
distinctly.
Use
2-3
stitch
length.
Darning
with wool,
esPeci
ally
socks"
The
zig-zag seam
and free arm
make
it
possible
to
darre
socks
without
any
difficulty.
Remove
the
presser
foot
with
t
lrc
presser
foot
extensiori
9, Fig.
1'3
and
replace
with
the
t,ig-zag
presser
foot
for
darning
with
wool.
Lower the
feed
rnotion"
Darning thread
should
be
used
as
the
upper
and
runder
threads
and darning
wool
as
an
inlay
thread.
Draw
the inlay
thread
through
the
grooYe
in the
darning
foot,
l5
l
Fig.
47
.
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