Sorry, what's the revolutionizing about this? Not do disappoint you but my mothe... | Hacker News

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		leojg on Dec 26, 2018 \| parent \| context \| favorite \| on: Making and Selling a Stair-Climbing Dolly Sorry, what's the revolutionizing about this? Not do disappoint you but my mother already has a cart with those 3 tiny wheels and she uses it to buy groceries every day. In fact she bought it at least 3 years ago.

analog31 on Dec 26, 2018 [–]

Harpists have used carts with the same kinds of wheels for a long time.

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