I would not call it a minor change. Umbrella design hasn't changed for centuries and it always had the same problems. This design fixes them, so I, for one, wel

I would not call it a minor change. Umbrella design hasn't changed for centuries and it always had the same problems. This design fixes them, so I, for one, welcome it with open hands and I'm happy it reached HN, because I wouldn't learn about it otherwise (sadly the Kickstarter campaign ended so I have to wait until they open for the rest of people).