You could do this by hand with some wax, a pad, and some gumption, but why not spare your wrists the trouble and just use the Buffing and Polishing Wheel set with your Ryobi power drill?

The older 18V ONE+ model has been discontinued by Ryobi, but anyone who still has it — or the newer variants still in production (including the USB lithium option) — will surely want a stock ...