I wouldn't say one is easier or more difficult, but when you're inside a costume and a mask, you have to endure heat - and, often, difficulty seeing. The vision is not very good in a mask. And you have to cope with that, as well as trying to think about this character.
“To get the feel of how the slider should roll off of your index finger, use this grip and practice at half speed and roughly half the distance to the mound.”
“Perhaps, when we examine the causes of many social changes and political upheavals, we will find the marks of its presence and its principal ideals.”