"He then adjusted his cloth, which passed under his right arm-pit and tied above his left shoulder. "
Igbo Women
Creative Commons Attribution Share AlikeIgbo Women - Credit: adire.clara.net

The Igbo, both men and women, wore akwa omuma or akwa owuwa which are native wraps. They were pieces of cloth wrapped around the body.

Arm-pits are a human anatomical feature, located at the junction of the arm and the torso.