The other thing to consider is the learning curve and time involved in getting your drums to sound good via proper tuning and head choices. Again this is something that evolves with time and. I think boxing is so individualized its hard to point at any specific learning curve. Some guys start young but then get stuck in habits/stagnate in their teens, others start late and dominate. One at a time.
Now, i can see that would be a difficulty. How many girls do you have now enrolled? Welcome to the curve room!
Breckie Hills: The Impact Of The Leaked Footage
Izzy Green Leak: The Cybercriminals' Target
The Sky's Secret Is Finally Out: EXSUMMERS Leak