Earning a crust

What is it suddenly with Men and their Knees. Even in the depths of winter, the male of the species are out parading those most noblest of knobbly knees.
I can remember in my first year of grammar school, if you had to wear short trousers, you would probably want the ground to open up and swallow you.How times have changed.
Just a footnote;-it was only three decades ago that the shell suit reigned supreme. Let that be a lesson to you all!