How Do They Do It?

E1 Chewing Gum, Fish Hooks, Legoland E2 Leatherman, Formula 1, Glassware E3 Hats, Longest Road Tunnel, Snake Catcher E4 World In Miniature, Rhubarb E5 Almonds, Snowblower E6 Fighter Plane, Trappist Beers, SUV E7 Guacamole, Swamp Buggy E8 Suspension Bridge, Crossbows E9 Tennessee Whiskey, Nightvision E10 Vanilla, Anchors E11 Leather Footballs, Mussels E12 Scania Trucks, Miracle Forensics E13 Guitars, Rope Access E14 Liferafts, Mind Control E15 Tequila, Steam-Powered Megacity E16 Stuntmen, Seabreacher, Amber E17 Tennis Balls, Surround Sound E18 Rayon, Snuff, Cola E19 Zubrowka, Aerial Cable Car E20 Skydiving Suits, Surströmming