I love anything with titanium, but material aside, they work much easier than traditional keychains. The design itself is great, even if it's not titanium.
Custom Engraved Silver FAINOL Boyfriend Keychain
27 Review
KeySmart Magnetic Keychain Secure Attachment Men's Accessories
63 Review
Premium Handmade Warranty Men's Keyrings & Keychains by Hide Drink Accessories
45 Review
Stainless Steel Husband Keychain with Stamped Relatives for Enhanced SEO
31 Review