Applying lip liner before your lipstick in daytime also helps prevent the color from bleeding thus increasing its staying power and Too Faced Perfect Lips Lip Liner ($17) has a twist-up tip so you always have a sharp end without the hassle of sharpening. And the collection includes five shades that cover the entire lip color spectrum. How to chose and apply a lip liner? You can follow the review of peaklips at http://www.peaklips.com/lip-liner-review/
Klaudia
MUFE's liner is amazing (i have mine in nude beige since I love my nude lippies)! my lipstick may come off after eating or drinking but the liner just stays put
as for an inexpensive dupe for NARS velvet, NYX's Jumbo Lip Pencils are awesome! my only complaint is color range- no nudes :(