In its native habitat, how can the Speckled Kingsnake enhance the sound produced by its tail vibration?

Answer

By pressing its rapidly vibrating tail against dry leaves, twigs, or other coarse substrates

The snake enhances the auditory illusion by making contact with coarse substrates like dry leaves or twigs found on the forest floor.

In its native habitat, how can the Speckled Kingsnake enhance the sound produced by its tail vibration?
behaviorreptiletailsnake