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Sabhib Agrawal is trying to get those buyers interested in barefoot footwear - shoes which, their makers say, are healthy for the foot as they encourage natural, or barefoot, movement.

For over two years, he's walked barefoot most mornings on the grass of the pitches of the PSG training ground.

Ms Millington's challenges have so far also included barefoot running, blacksmithing, beekeeping and busking on the streets of York in a turkey outfit playing Christmas songs on a kazoo.

As they grow up, tests include walking long distances barefoot, slaughtering cattle efficiently and showing kindness to fellow initiates.

His football education was all about survival; playing barefoot against older opponents in the streets helped him develop endurance and technical skills under pressure.