If you are registered, you get access to the members only section, can participate in the buy & sell second hand forum and last but not least you can reserve your preferred username before someone else takes it.
@SammieM What are you looking for? The torsion or the schragschnitt? And the in bakelite or metal?
The torsion is a real rare bird. On this board I think @efsk, @The King and I have one. But for the rest it is really rare. The schragschnitt is less rare @efsk or maybe @Hellas can help you.