The Welshman who invented the coolest barbecue on the planet (literally!) has launched a crowdfunder for his latest product, the ZIGZAG. Feted inventor John Tomalin-Reeves, 49, has spent the past three years designing and perfecting the ZIGZAG, a product set to revolutionise outdoor eating. The portable outdoor oven comes hot off the heels of the cool to touch BBQ, Halo Cooltouch, which was also designed by John and made entirely in the UK. The Halo was dubbed ‘the Dyson of…