A prayer cap.

Prayer beads.

A sponge.

Cardboard.

For the average person, these items are easy to come by.

That wasn't always the case for Moath al-Alwi, a Yemeni citizen and prisoner at the Guantánamo Bay detention camp at the U.S. naval base in Cuba. He had been captured near the Afghanistan border in December 2001, a few months after 9/11, and arrested but never charged with a crime. He was suspected of working for al-Qaida.

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