Search and discovery other alternative printed paper modification systems stronger than the pencil Eraser was the critical next step to go from the 'Paint-collage' attitude to 'Solvent-collage' next stage. For that I needed to master the Universe of Solvents!! And indeed I did.
For this series of intervened photographic paper laser prints 96 proof spirit was the best solvent to nicely drag those inks. It left very beautiful shades and was much friendlier than Spanish 'Daddy' Universal Thinner, killer of every ink and die.