Daphne don’t be TOO enthused! Physical punishment means that you have failed at something, and the most crucial discipline is what you can impose on yourself. And someone too eager for punishment is not someone actually searching to be obedient!
An orderly mind is a vital element of success in your goal. It’s why the military trains its recruits in everything from making a bed properly to how to brush their teeth to how to stand. It creates orderliness and self-discipline.
Applying a daily routine (including and maybe especially matters of health, grace, manners, and hygiene) and sticking to it even when you don’t feel like it is far more important than being spanked or belted. Until you can accomplish that, you’re not ready for a keyholder.