Now these really look like a good idea. No hanging, no banging, they fit all size collars, guaranteed for life.
http://www.boomerangtags.com/page.php?c=collartags&k=h I love this site! For you teeny-tiny chis, they have harness's for 2-4 pounds. I have a step-in harness for each of my girls and love them, they are so simple and quick to put on. http://www.sassypup.net/Step-In-Dog-Harness-Leash-With-Skulls-COLORS-Pink-Black-Turqoise-includes-harness-Leash-p-17941.html ♥ Peggy & The Girls ♥

