Location: Missing Sock Shop - Battleon
Price: 9,633 Gold
Sellback: 2,409 Gold
Rarity: Rare Rarity
Description: Man, this thing was lost so long ago that it's become sentient. It will follow you around trying to get back on your foot, but you might want to wash this before wearing it again.
Note: Also see ChaoSock Puppet.
Thanks to doomcalibar12, Secorpion and Sky1k3.