Correct
Tension
Regulation
The
tensions
are
properly
balanced
if
both
threads
interlock
in
the
center
of
the
material.
When
stitching
sheer
fab
rics
set
both
tensions
a
little
lighter
to
prevent
puckering.
Both
tensions
properly
balanced
Upper
tension
too
tight
or
lower
tension
too
loose
Upper
tension
too
loose
or
lower
tension
too
tight.
15
