If you can’t buy something you want, you might as well build it yourself – especially if it’s something as specialised (and dangerous) as vacuum-powered building-climbing gloves:

They’re a bit rough and ready, but that’s your proof-of-concept right there. Give it a few years for someone to make a reliable (and more stylish) commercial version, and parkour is going to fall out of fashion pretty quickly… [via Hack-aDay]