Kautilya's Arthashastra 14.3.7

14.3.7

tato yathāsvam abhyaktākṣo naṣṭacchāyārūpaś carati //

Having fasted for three nights and having afterwards pulled out on the day of the star of Pushya both the right and the left eyes of a dog, a cat, an owl, and a váguli (?), one should reduce them to two kinds of powder. Then having anointed one's own eyes with this ointment as usual, one can walk invisible to others.