S1, E4: Producer Michael Berardi invents the Xhose, the world's first collapsible hose; Navy SEAL Randy Hetrick invents one of the best-selling physical fitness devices ever, the TRX Suspension Trainer.

S1, E4: Producer Michael Berardi invents the Xhose, the world's first collapsible hose; Navy SEAL Randy Hetrick invents one of the best-selling physical fitness devices ever, the TRX Suspension Trainer.