It's a LEGO for big boys. There are two complete sets of Vario parts.
One is focused on multipurpose mounting - Grip Set
other is designed for equipment mounting for camera universe Camera Set.
You might have seen ball connecting system before like can be found in woodencamera(https://www.woodencamera.com/nato-lock-ultra-arm-5-inches-p/250600.htm)
You should consider this unique solution when you look for:
- Wide connection angle
- System that can replace any magic arm you can imagine