violet eagle
https://www.youtube.com/watch?v=O4pVny7NV8E
So if you add vinegar to milk, it separates the whey and the curd and one of them contains a protein called casein, and if you add formaldehyde(or acrylics,etc.) to the casein or whatever it becomes wool idk, or you can make hard plastic with casein, just watch the video idk how to explain😭
severe perch