This tutorial shows you how to do a one handed pro mod glitch online on MW3 Make A Class Like This: Primary: Any Secondary: PM9 With Hamr Scope Perk 1: Sleight Of Hand Perk 2: Overkill Perk 3: Any Lethal: Any Tactical: Any Strike Package: Any Death Streak: Any Ok, Now Switch To Your PM9 With Hamr Scope After you Do This Shoot Then Hit Y And Left On The Dpad At The Same Time. Your Other Gun Will Swith And Do Some Weird Thing. Now You Have The One Handed Promod Glitch Done! http://www.youtube.com/watch?v=lytPVihiiso&feature=player_embedded This glitch and vid was found by byCassian if you like please rate and sub.