We have released the videos detailing most of the Klotzen features.
They are old, but might help for a quick reference as the topics covered are in the descriptions.
https://youtu.be/PR1QfDm_5hA
https://youtu.be/7AGZX_xETlc
https://youtu.be/NQjBPcQvrKg
https://youtu.be/H0wumIMmBpc
https://youtu.be/pHzu7E8PKH0
https://youtu.be/jivnS5Te21Q