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This article describes six transhumeral and seven transradial prostheses that were successfully fit to patients using electrodes installed in roll-on suspension sleeves. This design maintained consistent electrode contact for all patients, especially those who had volume changes or who experienced difficulty with the traditional suspension methods. To provide improved suspension and electrode contact, metal electrodes and modified wiring systems were developed and tested along with techniques for installing electrodes in roll-on sleeves. This series of patients demonstrated that a roll-on sleeve is an excellent way to achieve superior suspension and greater range of motion.