Any makeup junky knows regardless of the number of liners and pencils you may have, what you really need is an A-94 Duo Sharpener. One end is for standard and waterproof pencils while the other works great on larger jumbo size pencils.
Suggested retail price: $4.25
A-94 Duo Sharpener is very easy to use, just don't force or push the pencil into the sharpener. We all know the secret to definition and clean lines is a perfectly sharpened point. This sharpener works well for both eye and lip pencils, so keep your lines clean and straight and stay sharp!