So, what's a twizzle, anyway? And why is it so hard to do?

The twizzle is a movement most often seen in ice dancing, and it’s a spin with a difference.
Most spins happen while the skater remains in one place, and they tend to be fast. The twizzle, however, is a slower rotation that takes place as the skater is moving across the ice. The skater lifts one foot off the ice during the twizzle.
Sometimes in ice dancing, the pair twizzle at the same time, close together, and they are supposed to rotate at the same speed. But that isn’t easy, and i