According to this BNet post Lut Socks are torment only. Which means you cannot gamble for them, yes?Until you get 3 piece IK or of the like here you go.Barbarian - Game Guide - Diablo IIIDo act 1 cache runs until you get set reduction ring and gamble for Lutsocks for when you get earthquake set.
Thanks for thy Cindercoat Kadala - Forums - Diablo III