Oswell said wearing flip-flops can be seriously detrimental for people whose feet are already at risk: For people with diabetes, who often have poor circulation and feeling in their feet, wearing flip-flops can expose them not only to injury but to infection.
The Argentina playmaker took his chance moments later when Pedro crossed the ball into the box and Guilherme's poor header came to the feet of Messi who turned the ball home from close range.
The Championship outfit should have made the game safe just after the hour mark but Hal Robson-Kanu's poor touch allowed keeper Chris Day to smother the ball at his feet.
The England striker appeared to have wasted the chance with a poor first touch but, with Sylvain Distin and James diving at his feet, he lifted the ball brilliantly into the back of the net.