Related Clues:

• Subject of a tipster's tip
• "Camptown Races" winner
• Purl's partner
• Pullover, e.g.
• Work on a muffler, say
• Assemble a scarf
• Slowpoke at the track
• Over-the-hill horse
• Not just nudge
• Be a pest
• Work up a sweater?
• Make a muffler, maybe
• Not much of a racehorse
• Make mittens
• Make an afghan, perhaps