There are a million ways to implement a penalty-box situation. Don't get stuck in how one single off-the-top-of-my-head idea couldn't work. Make it just until the next dead ball, without any mandatory time in the penalty box. Make it the next out of bounds play after that one minute. Make it for 4 possessions then the next out of bounds play they sub in. Just make the team sub someone in and that particular player can't play for 2 minutes of game time. Allow the other team to pick a player to bench for one minute of game time with a sub during that time allowed. Tons of ways to implement something like this. This is the frustrating thing with Internet discussions, people get stuck on one single very very narrow line of thought without think outside that to see if something else similar might be worth discussing. Tons of posts to say "nuh-uh" with no real discussion.