Pros : Easy to use and clean up;
although liquid, easy to control during use
Cons : Just be careful not to make your lines to thick - it could chip off after firing if you use it on top of your glass
Other Thoughts : I'm sure this can be used to draw and accent designs, but it was my best solution yet to signing fused pieces. It is recommended for use between layers, but it has worked well for my signature on top of a piece.