there has to be a slot between the two wings while they aren’t “streched”

Uh. Um. Your mum has to have a slot.

I don’t understand what you’re saying because I’m not a NERRRRRD* and you’re AGAIN questioning my primary school teacher and you’re using a lot of numbers like a NERRRRD so I shall disregard any further comments concerning the topic of the width and height of German blackboards.