My primary book reference “Storey’s Guide to Raising Chickens” by Gail Damerow suggests putting feed on pieces of paper for days old chicks, then switching to a shallow tray once they have all figured out what to peck. I have some card stock I’ve been trying to get through (I thought I was ordering bright white, but what I ordered had rainbow flecks, ugh), so I used some of that to make simple little trays. The nice thing about the trays is they can be thrown away when they get poopy. But it will be even nicer when they eat just out of the hanging feeders. Any who, here is the video: