Works for many volume techniques, with the sweet-spot varying based on your individual grip. Take your time to get to know these delicate beauties. They will reward you for it! When using these for the "pinch" technique, don’t be afraid to work toward the back of the tweezer or the front of the tweezer. The angle of the tip, and proximity to the handle can “cradle” your fan to help keep control of the tiny 0.03 lashes.