Kill 25 enemies with a Quick Draw from Mock Surrender
Sometimes when you come up on a group of enemies, it will give you an option to hit to enter "Mock Surrender". Once in Mock Surrender mode, you can either tap again to buy more time and drop to your knees, or hit to do a quick draw. You can still do a quick draw if you drop to your knees. Use to aim. You can keep reloading check points near one of these places if you want to get them quicker.