Is. this real?

https://paulfurber.net/bda/index.html

https://paulfurber.net/bda/index.html

https://paulfurber.net/bda/index.html

https://paulfurber.net/bda/index.html

https://paulfurber.net/bda/index.html

>>9700272

Heard of the name but not the thing you're reerring to. Can you explain a bit? Avoid at all costs?