While holding the gel pad
where its retaining lip was
inserted in step two, work the
rest of the retaining lip into the
groove around the cup.
When reinstalling the cup ring, start
at the bottom and pull it up and over
gel pad.
Using this tab for
leverage, lift and
stretch the cup ring
over the gel pad. The
cup ring should rest in
the cup groove on top
of the gel pad, helping
to secure the gel pad
in place.