There is a small hole over the mouth through which he breathes.
As soon as the fire starts the smoke and flames completely hide the performer from the spectators, and he immediately lies down on the bottom of the cage, placing the mouth over one of the small air holes in the floor of the same.
Heat always goes up and will soon cook the steak.
I deduce from the above that the performer arises and recovers the steak when the fire slackens but while there is still sufficient flame and smoke to mask his action.
It is obvious that the above explanation covers the baker's oven mystery as well.

In the case of the oven, however, the inmate is concealed from start to finish, and this gives him much greater latitude for his actions.

M.Chabert made the oven the big feature of his programme and succeeded in puzzling many of the best informed scientists of his day.
Eating coals of fire has always been one of the sensational feats of the Fire Kings, as it is quite generally known that charcoal burns with an extremely intense heat.

This fervent lunch, however, like many of the feasts of the Fire Kings, is produced by trick methods.

Mixed with the charcoal in the brazier are a few coals of soft white pine, which when burnt look exactly like charcoal.