1.Place brace on shoulders & fix main belt(release smaller straps if needed)2.Tighten adjustment straps (smaller straps)3.Fix straps in place4.Tip:Pull main belt down (helps place belt in correct position)5.Adjust shoulder straps if needed (slide silver buckles)6.Adjust to a comfortable fit (shouldn't be too tight)7.Shoulder straps should pull shoulders back into alignmentYou Should NOT Be In Any Pain Start Loose,Increase Tightness Over Time First wear for 15-20 min,increase slowly