Board Thread:Off Topic/@comment-14011542-20131003164902/@comment-3076045-20131120110309

Dark Jeto wrote: One of the guards began to say the famous arrow to the "you know where" quote. Btw, an important note here... that quote to which you were referring...

It simply means that there wasnt any knee armour in Skyrim, unlike earlier games in the series. ("Greaves" is the name of the armour, if you want to look it up for yourself).