Answered my own question thanks to trusty Sheldon. It's called an adaptor claw apparently and that led me to this thread: http://www.londonfgss.com/thread22839.html for anyone else who might be interested.
@lightindustrialunit started
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Answered my own question thanks to trusty Sheldon. It's called an adaptor claw apparently and that led me to this thread: http://www.londonfgss.com/thread22839.html for anyone else who might be interested.