Moving your hips in big circles at a slower pace will work better than faster, smaller circles.
Avoid moving your hips in a circular motion. This will slow down the hoop.
As in all exercise, it is best to exercise both directions to equally balance and tone your muscles as you hoop.
You may notice a reaction delay when you lean in to catch a hula hoop. Try leaning a moment earlier than seems necessary to compensate. This might result in fewer spins in the short term, but simply catching the hoop will result in many more spins long term