We don't know what it's for but we make a bunch of it because it sounds super dangerous.
Madness string 84118
At 8:30 precisely, the frogs beyond the hills scream. I didn't mean to make this so ominous. I meant literally at 8:30 every day from spring to autumn, frogs in the woods over yonder hills will yell in unison. Usually for about 20 to 30 minutes.