I want to be able to tell my three chickens apart. I just put on twist ties, the kind you find on bread at the store. I dont like them because they are touching the skin on their legs and they smush them when the chicken sits. I want something that is VERY easy to take off. Are zip ties ok? PIC HERE http://www.removal-supply.co.uk/pictures/zip_ties_large.jpg What are some good "around the home" things I can use around their legs?