Related Clues:

• Often-flipped thing
• Tupperware topper
• Tupperware top
• Jar head
• Garbage can part
• Tupperware product
• Outer eye layer
• Hamper part
• Jar shutter
• It's kept on for secrecy
• Eye coverer
• Canister top
• Kettle cover
• Can closer
• Cover from gliders