Flak helmet
From Twilight Heroes Wiki
flak helmet
Plural: Unknown
Like my dad always used to say: "If it looks like a duck and flaks like a duck, it's probably insurance." Uh, anyway ... it may look a little dorky, but this helmet will provide your noggin with a little bit of damage insurance, assuming you are like most people who look up when someone yells "Duck!"
Helmet
Power: 15
Level Required: 2
Autosell value: 20
Usable
Can be welded
How Obtained
Unknown
How Obtained
Buy at Lieutenant A.E.P. Bazooko's Military Surplus
When Used
You rap sharply twice on the top of the helmet and say, "Knock knock!" but nobody answers.