Butterfly Clicking is a clicking technique to click both mouse buttons as fast as you can with two fingers instead of just one. Using the index finger and middle finger is the most common way to do this test. If done correctly, you’ll be able to achieve more clicks per second using this method. Butterfly Click Testing is a much more complicated and quick technique than Jitter Clicking.

https://cpstest.us/butterfly-clicking/

Butterfly Click is a specific clicking method in which the user/player clicks rapidly on both mouse buttons, right and lest using his index finger as well as the middle finger. The right way is to click on the left mouse button, and at the same time move upward your middle finger to get ready with it to click on the mouse right button.