(Teavana tin, coffee pot handle, computer fan grill, hard drive handles, outdoor lamp parts, BNC connectors, pot lid knob, scrap wood, weird black square box with lens thingy, etc.)
When dealing with invading aliens there is a time to talk and then there is a time to negotiate. The A5 "Negotiator" spells out terms any tentacled extraterrestrial should understand with settings for "Shut up!", "Back off!" and "Get the hell off of my planet!". This baby leaves little doubt as to your intentions.