Possible Clues:

• Repetition of sounds in a sentence
• Initial letters of Shakespeare sonnet, say, supply solution?
• Everyone has attire on I fashioned with white wool, for example
• Nothing but repetition? Rather regular repetition maybe!
• Make a mountain out of a molehill, for instance — I tear into all (anag)
• Feature of Love's Labour's Lost nothing but repetition
• Adult prepared tortellini -- a popular pasta, perhaps?
• Repeating initial word sounds, often for literary effect
• Poetic rhyming device using words with the same initial letter
• Poetic device is nothing but repeats