[algore]

I had a few cars with a freewheeling manual

https://barnfinds.com/freewheeling-1972-saab-96/

You did not have to use the clutch unless you were at a total complete stop.

[Ex gun maker.]

Had a SAAB 99 like that.
When I bought parts to repair the freewheel the dealer tried to convince me to weld it up.
No way!