the helmet doesn't give 50% damage reduction, and the bracers/greaves or whatever the other two are don't give 30% and 20% damage reduction. the helmet gives 50% damage reduction to attacks only recieved to your head, and the other two only reduce damage done to your body.
 "Warlords: Heroes"){kind=icon}
 "Protector"){kind=icon}
 "Kongai Launch"){kind=icon}
 "Super Crazy Guitar Maniac Deluxe 2"){kind=icon}
 "Balance Balls 2"){kind=icon}