Nevertheless, he was heavily involved in developing the leaflets used to convince communist defections. Amongst Too's innovations was the usage of inconspicuously coloured instead of brightly coloured paper for leaflets, so that the communist rank-and-file would not be noticed by their superiors when they picked up the leaflets. Too avoided a "preachy" approach in drafting the leaflets; his style was described as: "Don't preach.
Despite this, he was deeply involved in creating the leaflets aimed at persuading communist defections. One of Too's contributions was using understatedly colored paper rather than bright colors for the leaflets to avoid drawing attention from superiors when communists picked them up. His writing style emphasized avoiding a "preachy" approach; it was described as: "Don't preach."