Yes so posture support is what you wear around your arms & covers your back that keeps your spine in its natural positon.So you might have experienced some sought of back & neck pains after travelling long journeys,you might be experiencing neck pains,back pains,spinal problems or cannot even stand straight.Yes these are all signs of wrong posture or abnormal or wrong spine position and what this posture support does is to hold your shoulders back & stabilize your collarbone & keep your spine & muscles all aligned properly.This helps to relieve you of the spine related problems including neck pains, back pains, shoulder pains etc and this helps you sleep better & comfortably since your spine will be in it natural position.Finally it helps to improve your physical appearance since your spine will be straightened & be in it natural position,so at the wedding you will be happy to see yourself straight and not in burnt in pictures or videos that will be taken.