a trademark secret. by the end it can even be staged. next issues there are also belts sunglasses banks but they only limits to the usability. when it comes to stone t. shirts jackets and such it gets complicated we've experimented with those kinds of items but other materials offer different breathability and range of motion. it's also going to stay expensive and labor intense so it will probably stay more niche than mass market sebastian been looking for any again nick and he had tested using unusual materials for shoes like leather made from tin the fungus a tree parasite stole from the berry and austria. but also a coffee. mill. and fish skin of old been tested potential suit the materials.