A pendulum's fine, but I'm not going to hit my ball far enough." And I have to convince you that you will. The term is "pendulum-like," as in similar (but not identical) to a pendulum.

Trevino Pendulum Tip No. 1 Which brings us to Trevino's tip for the rest of us: As you swing, keep your upper body centered, and stable. When your upper body sways back-and-forth, you're in trouble.

ESPN Golf Schools' Jim Flick says the quickest way to a repeatable swing is by learning a pendulum-like motion.