acorn
['bulletproof vest', 'king crab, Alaska crab, Alaskan king crab, Alaska king crab, Paralithodes camtschatica', 'Granny Smith', 'bow', 'pick, plectrum, plectron', 'leatherback turtle, leatherback, leathery turtle, Dermochelys coriacea', 'ostrich, Struthio camelus']