Sammy of Nailasaurus recently posted a tutorial for this technique and I couldn't resist trying it out. I've only ever once done something similar when I first got my brushes, but it looked.... well.... not as good as this one! Sammy makes things look too easy though and she is a perfectionist.
I used a base of SpaRitual Protein Boost, applied one coat of Barry M Lychee, gave it about ten minutes then used China Glaze I'm with the Lifeguard, Barry M Ltd Edition Pink (from Boots) Guava and Blue Grape then topped with Seche.
I loved the combi of brights over a nude base.
Here's my first ever striping brush mani...
Oh how things have improved: nails, technique and photography!