Fold the shape, right sides
together, and align the short ends
Pin in place and sew a 1/4"
seam along the pinned edge only.
Sometimes the double
layer of neoprene gets too thick for
the machine to properly form a
If this occurs, you can try
slowing your machine down to its
Or, glue the seam by simply
adding fabric glue along one short
end, align the short ends together,
and press in place.
You can use black
binder clips to hold the neoprene
together as the glue dries.
Then, turn the koozie right
side out and you are done!