Dovizioso hasn't been using it for long, however. “I used the thumb master cylinder back in HRC, but then I shelved it. I took it up again with Ducati and I'm pleased so many other riders have discovered it. I only use it on right-hand turns because when you're in the middle of the curve, it isn't possible to operate the rear brake with your right foot. To do this, some riders keep their foot forward, others move it to the tip of the footpeg.”
Some use the thumb master cylinder to avoid skidding when cornering, but Dovizioso doesn't, “The force you can apply with your finger on the thumb master cylinder is a great deal less than what you can apply with your foot. That is why I only use it when the bike is at the maximum lean angle.”