"The more boring the exercise is, the more effective it must be. "
"Games and drills are for recreational use only, not for real athletes. "
"Focused athletes do not have fun while training for serious goals."
We would use these reactive and task-specific bean bag exercises after...
1. Dynamic Flexibility
2. Muscle Activation/Stability
3. Movement Skill Practice (For example overhead squat, lunge, single leg squat or hand stance)
PS: "The only way a kid is going to practice is if it's total fun for him... and it was for me."