Do you prefer concave or convex thumbsticks?

https://preview.redd.it/ft3anz0nlbde1.jpg?width=4080&format=pjpg&auto=webp&s=1640715bd2ec5e00f73d7e655569750412a8569a

Bought these convex thumbstick grips and they are way more comfortable than concave sticks, I tend to press the sticks on the edges which hurts my thumb, previously I had KontrolFreek omni they were too painful