Machine Carves a Motorcycle Helmet Out of an Aluminum Block 12.96K Mike Byhoff 03/15/10 12:52PM Filed to: WoW WoW Machines carving Aluminum Motorcycles Jalopnik TV Video Helmets are for safety, but they're also about making a statement. Surely, if you're riding around the city in this helmet carved by a machine out of a single giant block of aluminum, bystanders will overlook your teal Vespa.[Doobybrain]