Related Clues:

• Link together
• Heal, as bone
• Mend, as bones
• Heal, as a radius
• Like a polo shirt
• Kind of sweater
• Purl counterpart
• Make a balaclava
• Polo shirt, usually
• Do needlework
• Work up a sweater
• Tie type
• Pullover, maybe
• Wrinkle, as one's brow
• Having grooves