There was first theory of devolution, on handbags. Now time for next.

#2 : Women will loose strength in their heel[1][2], toes gonna get stronger [3]though [refer the pic].

[1] : Unless classical Indian and Russian dances, get popular again.

[2]: Unless High heel shoes get some kind of ban on it, like Fatwa etc.

[3]: Unless “low heel- high toe shoes” become popular ( I am thinking of inventing one )

and this is how they look in X-ray