A man loses his legs in a bear fight
Despite this, he wins the fight, and uses the bears legs to replace his own.
By the time he gets to a hospital, he has full control over his legs, The doctors tie the legs better, and let him keep them,
About a month later, a ringmaster of a freak circus finds him, and offers him a job in the circus. He accepts, and a few months later, is ready for his first act.
He walks in front of the audience, and loudly exclaims: 'I will now walk over these hot coals bear-foot!'