You have way too much time to do nifty things in the shop. I seem to get
to mine only when something is broken and needs to be fixed 10 minutes ago.

Don Foreman wrote:
Warning: metal content.

This is about a dirt-simple cheap way to make a ball swivel for a
little single-LED aimable task light. About a 1.5 meg download with
photos.
http://users.goldengate.net/~dforeman/tiny-swivel-lamp/