Related Clues:

• Reinforce
• Knee protector
• It may go down on one knee
• Knee protection
• Diamonds, for example
• Pair (of birds)
• Interview attire
• Office attire
• What many followed
• Be good for
• Barron's reader, slangily
• Clubs or spades
• Corporate type
• Prepare (oneself) for a jolt
• Spades, say