There's no quicker way to get a guy's attention than to utter one of two words: sports or sex. But in order to get your maximum attention, we're shouting them together. Now that your focus is riveted to the page, here's the scoop:
Apply a gentle touch—just barely grazing the skin—to the sacrum, the area of her lower back just above the tailbone. As the skin warms, apply increasing pressure to either side of (but not directly on) her spine. If she's comfortable with it, move lower to massage the tops of her buttocks. She's likely to find this maneuver extremely relaxing, not to mention stimulating.