1) Crania 2) Craniums 3) Football helmets protect them 4) Grisly horror film discovery 5) Halloween decorations 6) Horror film symbols 7) Items on pirate flags 8) Menacing symbols 9) Pirate flag features 10) Pirate flag icons 11) Pirate flag images 12) Popular Halloween decoration 13) Some halloween decorations 1) Crania