Possible Clues:

• It may persuade you to buy
• Line that can hook you
• Sponsor's spiel
• Spiel (In this answer, unscramble letters 2-8)
• Chat, spiel designed to enthral customers ultimately
• Be irritated after unfortunate lapses in rep's presentation
• Patter
• Vendor's patter
• Beer ends up being discovered in school, and there's talk of flogging
• Patter that places this loosely