Both my parents where butcher. I never heard about Jodenhaas until just a few years ago when it was served in a restaurant. Talked to mum about it and she could give me your explanation but talked about about it if it was more common years back. Wiki says: Jewish fillet of beef shoulder petite...
Banzai sells the Xvive VTL5c 1 2 and 3 and so does Musikding but they are "Not available now"
Musikding has a filterfx kit available which includes the Xvive vactrol. So I think the Nutty Fuzz is just not in their catalog.
It is about cadmium as well. https://environment.ec.europa.eu/topics/waste-and-recycling/rohs-directive_en
I think Chase Bliss discontinued some pedals because of it.
I need to find me some vactrols or make optocouplers for the wavelord as well.