What was the last product that made you stop & say "Damn, why didn't I think of that? What product REALLY impressed you for it's novelty/creativity?

Saw this and can't believe it's simplicity, utility & necessity. Just so simple & so smart. No more sweaty back & shoulders. Even weight distribution. Doesn't interfere with walking. Allows heavier kids to use.

What was the last product that made you stop & say Damn, why didnt I think of that? What product REALLY impressed you for its novelty/creativity?

Do you have a million dollar idea?

I invented these in my mind before I searched that someone had beat me to it by decades! Stickers to cover outlets while painting! Just brilliant!!

What was the last product that made you stop & say Damn, why didnt I think of that? What product REALLY impressed you for its novelty/creativity?
What was the last product that made you stop & say "Damn, why didn't I think of that? What product REALLY impressed you for it's novelty/creativity?
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