EC's shape is a very widely used option for players who prefer asymmetrical ergo design.
The top shell provides a natural curve for your hand with relaxed support to your palm and fingers, providing more stability when moving horizontally
Curvature on the left side for thumb placement with ease
Facilitate the stability when lifting or moving the mouse
The smooth and rounded design on the right frontend helps to place your 4th and little finger with close contact effortlessly