On Fri, 24 Apr 2009 14:25:33 -0700, "Leo Lichtman"
wrote:

One of the mirrors on my scooter sags while I am riding, so I have to keep
pushing it back up. It's the usual sheet metal ball-and-socket joint, and
does not appear to have any way to adjust the tightness. Does anyone have a
suggestion that might help? Lok-tite, maybe?

Gritblast the ball.