16" bungee cord with plastic ball STEP 1: Pass the cord through the grommet from the bottom up, as
shown in the diagram. STEP 2: Pass the cord back through the opening immediately below
the BALL. STEP 3: Pull the end of the cord until the ball is resting tightly
against the grommet. When you take the tarp off the frame later,
this is the state where you want your ball bungee to be. In
essence, at this point the ball bungee is "permanently" attached to
the tarp. STEP 4: Wrap the cord around the pipe and then stretch the cord
over the ball. STEP 5: Release the cord around the base of the ball, so that the
cord latches around the ball. If the cord is not tight enough to
maintain the cord around the ball, you may need to wrap the cord
once more around the pipe.