Correct
Tension
Regulation
The
tensions
are
properly
balanced
if
both
threads
interlock
in
the
center
of
the
material.
When
stitching
sheer
fa
brics,
set
both
tensions
a
little
lighter
to
Both
tensions
properly
balanced
prevent
puckering.
Upper
tension
too
tight or
lower
tension
too
loose
Upper
tension
too
loose
or
lower
tension
too
tight.
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