Put stickers/patches on EVERYTHING
"Not intended, or available for sale, for children under 13 years of age."
A CYA maneuver... kind of like the "choking hazard" warnings on toys that even an elphant couldn't choke on.... or "tree nut" warnings on peanut butter
My wife and I are thinking about this—but hell, we make and sell baby tye dyes... I guess you can by them but not use them.. :)