I like the way this bracket is designed:
Attachment 155815 Attachment 155817 Attachment 155816

Rather than clamp to the flash body, it holds only the head in an adjustable clamp; the head also rests on a rubber, no-slip platform.
But it's too small for the Metz 70 MZ-5.

Is there another kind of flash bracket that does work with larger units like the Metz 70 or 76 series?
They're about 100mm wide (at the widest point) and 55mm high.

Thank you in advance.