Sometimes may wish to make a mantis catch cicadas Huangque in the posture of others in fighting the timing of attacks.

There was a mantis behind the cicada . Raising high its foreleg, it tried to prey the cicada under the cover of leaves.

One day he read in a book that if one could find the leaf which was used as a screen by a mantis to catch cicada, and blocked his view with that leaf, he would be invisible to others.