Possible Clues:

• They go with tails
• Tall headgear
• Astaire props
• Partners of tails ... and what's found in the answers to starred clues
• They're often seen with tails
• Headwear with tails
• Headgear for Jiminy Cricket and Scrooge McDuck
• Are they tall on men at all?
• They have high crowns
• Astaire and Lincoln wore them