The longer the golf club gets simple physics The Wider your stance needs to be to accommodate the length of that golf club and the size of that Circle that the club is swinging on the shorter the golf club gets the more narrow your stance should be because again the
Length of the club has shortened so the circle has gotten smaller so the width of your stance has to accommodate that so narrowing or widening your stance again is dictated by your body type how tall how short how wide how narrow how long how short your arms may be the
Longer the golf club gets the wider your stance gets the shorter the golf club gets the more narrow your stance gets and it should always be appropriate just based on your body type