Here are two different necklaces I have. I like them, they add zest to the picture. With different styles I can look more punk or cute depending on what I'm up to ^^ They're not very heavy but they seem solid, I just wouldn't intentionally pull on them or anything.
Stainless Steel Husband Keychain with Stamped Relatives for Enhanced SEO
31 Review
Carry Your Love For Firefly Everywhere With QMx'S High-Quality HD Key Chain
34 Review
KeySmart Magnetic Keychain Secure Attachment Men's Accessories
63 Review
Titanium Keyring by BANG TI: Easy-to-Use Operation for Ultimate Convenience!
50 Review