false chord

i think i found my false chord and diaphragm but when I try to do false cord growls it sounds like shit and it hurts like hell

Okay, I've been screaming for 2 years, my technique has always been wobbly and I've been trying to find the best way to scream without straining. I've always had an achey voice or few times a hoarse voice but it goes within 1-3 days, I've never gone over the top or lost my voice which confuses...