This basketball shooting drill is from former Arizona and Iowa State assistant coach Randy Brown.
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The drill in the video is a way to apply principles from the cutthroat drill to a shooting drill where the real emphasis is making a high volume of game-like shots. The drill forces the players to concentrate rather than just simply go through the motions of the drill.
Some ways to make the drill fit your program: Make your conditions fit your offensive system, add another player and require an extra pass or a ball screen, add a time condition for each group, or keep an overall score to make the drill competitive.
I hope the drill in the video gives you some ideas for conditions that will be considered turnovers in your shooting drills to improve your player’s execution.
Randy uses the first 90 seconds to setup the drill and then gives a demonstration for the remainder of the four and a half minute video.