I have 95 NJM Products Posture Correctors. $15 each or $800 for the whole lot.
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Sell for 29.95 on amazon.
Link is to actual product.
NJM-Products Back Posture Corrector for Women and Men - Comfortable and Effective Posture Brace for Hunching and Slouching- Discreet Under Clothing Breathable Design- Combat Tech Neck / Text Neck - 2019 Edition Clavicle Support Brace https://www.amazon.ca/dp/B07L4G1BXH/ref=cm_sw_r_cp_apa_i_yLPJCb2SYH9VH