Sekonic Shoe Mounting Plate For L-208

The Avenger F300 Junior Wall Plate frees up floor space and allows you suspend a large light from a wall or ceiling. Alternately, you can nail it to the floor for very low angle illumination. This Avenger wall plate has a 28mm receiver to mount larger fixtures and is provided with a T handle.

As for the 355 but designed to be mounted to a wall. Comes complete with the Monopod Tilt Head 234.

Ercole MB-13A Wall Plate Silver with 16mm fixed spigot 23cm long.