Related Clues:

• Keep paper together — that's the main thing
• It holds fast food
• Power retained by fusty principal
• Palest pastel pleats may all become standard
• Principal fastener
• Secure necessary and important things to eat
• Hard to hide piano key
• Standard security device
• Power held by overworked principal
• Standard item holding papers together
• Basic commodity and paper fastener
• The usual food is boring and soft inside
• The chief's old - keeping quiet
• In the main, it's used as a fastener
• Plates - fancy or quite basic