Idk I wish I knew though

(how to make files) so first, do a drawing, then click the third sign, then click the sign of a paper with down arrow to save it as file, then go to uploadfiles.io and upload there the file, and then give it to them the link <3 (how to take files) so first take the file then go to flipanim and go again to the third sign (like first one is the back sign and second the brush size and colors sign) then go to the sign that says a paper with up arrow and click it, then find the file and click it i think is usefull(???)