Williams is eyeing a second crack at a world title

Williams spends 12 hours a day in the tent in a bid to increase stamina.

The Brixton puncher took a split decision over Bedford's Skelton when they last met in February.

"It's no fun living in a tent, but if it means I'll knock Skelton out early rather than go through a war again, I'll suffer it," said Williams.

"It's like living half-way up Mount Everest. Because the air is so thin it felt at first like my lungs were on fire and I couldn't breath and it was absolute hell.

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"My trainer Jim McDonnell has noticed a phenomenal improvement in my stamina and strength and reckons that the fight won't even go past six rounds.

"Lance Armstrong used this method and it helped him win seven Tour de France titles, so I can't see why it won't help me achieve my dream of winning a world title."

The winner of Williams' clash with Skelton is being lined up for a world title tilt by promoter Frank Warren.