we got our chicks yesterday when they were just a week old, they're settling in well- we have one silkie and two salm faverolles. we wish to name all three, but when having two identical we're having trouble telling the defference. I've looked at their wings, claws, personality and everything but they are identical. I have heard of the rings to put around them, but seeing as its only for one chick, it'd be a waste to buy 20 and another pack for when she/he grows. Are there any other things i could do that are safe+free, like a piece of string? PLEASE HELP!