The only thing I don't like about the Nitto Lamp Holders is the price at close to $50 (not exactly cheap when compared to other similar devices, but one of the best looking in its class).

Take a look at this page on the Peter White Cycles site for a shot or two of the Nitto Lamp Holder with something mounted on it (and other ideas on that same page):

Mounting Lights

Here's another link to where one can be purchased on Milwaukee Bicycle Co./Ben's Cycle:

Nitto Lamp Holder II