It's the ONLY way of doing it, not the best.hold control and use the mousewheel to rotate the blocks, it's the easiest way to do it.
it's not the only way, the first way people usually do it when they are new is using the small arrow keys next to the block rotation thingie.It's the ONLY way of doing it, not the best.
I frankly spend most of the time scrolling up and down like mad, juggling tetras, heptas, wedges and rails. There's got to be a better way.