White Pens

What's a good white pen for writing on darks? (question on gluebots)

1. Sakura Glaze


2. Signo Uniball...much better than white gel pens. (only can find at scrapbook store)


3. Sharpie Poster Paint Pen, extra fine


4. Sakura Souffle pen

In picture below... left is the Sharpie, right is the Souffle