A man from Manchester has been causing quite a stir on social media for his unusual choice of footwear.
Hundreds of people tweeted their confusion after seeing a stranger walking around the city centre in a pair of flippers:
But the mysterious man in flippers is nothing to be alarmed about.
Craig Keatley is preparing a coast to coast walk in flipperto raise money for the Christie Hospital- and these walks are all part of his training.
I was at a a beach party at a pub and had such a good night, the reaction from people was superb, and then I packed my flippers away... 26 years later I had a bit of a delayed mid-life crisis and thought 'Let's do something different.
Craig is now on his fourth pair of flippers, having walked in all conditions.
Adam McClean went to meet him