"Safe"

In case the picture is hard to see, these are being sold as "Safe Tunes" headphones.

"I'm sorry, my lord," said the wizard to his evil overseer, "but they've proven too powerful. Never again shall children catch wind of the faint whispers of sex and hints at medicinal pleasure that music offers. No, they shall heed their parents' orders and grow up to be respectable citizens who pursue careers in health care, or perhaps business administration."

"Not necessarily." The overseer stroked his beard with fingers as gaunt as bone. "Dip the pacifiers in antibacterial coating," he instructed.

"The one laced with arsenic? Yes, my lord," the wizard said, disappearing with a flourish of his robe into his chamber to summon the spirits of mass production.