Regarding the 360-degree fold, I need to check with my factory to see if it's possible. I've already done it with 1.5 mm material, but I'm not 100% sure it would work with 3 mm... Here's the prototype with a leather strap :
Lille - France Sold : MTW 2012, 4-4 Sport 2010, Roadster V6 2008, Super3 2024 Plus Four 2024