Sign up to win free Tactical Keychains swag! http://tacticalkeychains.com/?ks_giveaway=free-tikey-share-to-win And the winner is: FREE TiKeY Winner – Brandon Masick Congrats! We use some Titanium that Tactical Keychains sent in. This is using the arc welder and graphite method that worked so well on aluminum. Adding argon shielding gas to the set up ensures that the molten titanium doesn't explode. The results are terrible; but you can't win 'em all.