My friend Scott and I had a game we would play each time we went to the range. After talking smack for about fifty rounds we would put up fresh targets and start our game. It was a timed fire exercise that started ten rounds left hand only, then ten rounds two handed (gun in left) then ten rounds two handed, gun in right, then ten rounds right hand only. The final ten rounds were five left handed, five right handed. We would do this both slow and rapid fire. The thing that made it really interesting was that we played this game on bullseye targets at about ten yards. After a couple of weeks of this my weak hand really showed some improvement!