Busch and Muller Tail Light Bracket T For Rear Rack With No Hole
Mount a tail light to your rear rack. If your rack has no rear hole for mounting a tail light, but does have either a top plate or some cross braces, clamp this T bracket your rack.
This product has been discontinued.
Hard to find item.
So far so good. Time will tell how it holds up. Looks sturdy and I don't expect any issues.