An example of how a 'cuddle button' could be drawn on a hand.

A dad has opened up about the simple solution that helped his daughter deal with separation anxiety at school after the death of her mum.

The parent took to Reddit to share a photo of a pink heart that had been drawn on his hand in felt-tip pen.

He dubbed it a “cuddle button” – the idea being that he has one on his hand, and his daughter has one on hers, so when she’s at school she can press the ‘button’ and it sends a hug to her dad. And vice versa.

“Since my wife died last year, my 4y/o [four-year-old] daughter has hated being away from me,” the father previously shared on the social media site.

“Her teacher draws this on both our hands when I drop her off at school and every time we press it, it sends a hug to the........

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