Nits. 

They're the worst, aren't they? 

Tiny lice crawling in hair. 

And they're a pain to get rid of too. 

But a Kiwi entrepreneur has come up with a creative way to get rid of them - and has just got a $5,000 boost from the velocity $100k challenge. 

It's called iSpy and Kate Ricketts is the brains behind it. 

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