The 2 inch diameter S.H.I.E.L.D. Symbol Pewter Keyring was once used as a weapon by Agent Phil Coulson in order to defeat Loki. What you thought he was using some experimental weapon? Thats just movie magic my friends! Durable and very shiny the S.H.I.E.L.D. Symbol Pewter Keyring is the number one way to prove your loyalty to the secret-government-type-organization SHIELD!