A behavior modification reinforcement bracelet for providing mildly painful stimuli to a user when the user thinks about or performs a behavior that the user wishes to change. The behavior modification reinforcement bracelet includes an elastic annular band with opposite inwards and outwards faces, and a pair of side edges. A plurality of stimuli regions are provided on the band. Each of the stimuli regions has a plurality of nubs extending in a radially inwards direction from the inwards face of the band.
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