Firstly: Defining Wiping over Leather Socks
Wiping: is the passing over the limb or body part with wet hands.
Khuff: is what is worn on the foot of thin leather.
Secondly: The Wisdom of Legislating Wiping over Leather Socks
The wisdom of wiping over leather socks is ease and relief for the legally competent for whom it would be difficult to remove and wash their feet, especially in intense cold or during travel.