The torture wheel was a gyroscopic device used to detain prisoners. It was designed to contain one person. As a torture device, it was designed with little regard for the comfort of its inmates and was capable of rotating in a way that would cause discomfort to the inmate. It could also be transported by rolling its main chassis.
In 1032 BBY, the Bothan spy Narsk Ka'hane was held in one of these devices during his incarceration in the Daimanate.