SyntherJack tells us that Wieheister is a universal audio / CV signal routing utility device and among others can be used as:
According to SyntherJack...
Thanks to its modular design, it can perform unique routing tasks. Although small and simple to build, the device is a great companion for anyone who has a lot to do with cables and routing – like eurorack users and small portable synths wigglers (like Volcas, POs, Monotrons). It will not replace a real audio mixer or eurorack build-in active multiple, but will become handy in many real life situations.
Pricing and Availability:
The device can be bought via from patch.audio online shop as a full kit.
Two (well, three) new products from Verbos