Possible Clues:

• Protect, in a way
• Sheet of material made by bonding two or more sheets
• You may make a layer of one little sheep in eight, by the sound of it
• Cover with a thin layer of protective material
• Split into layers
• Brute standing on turtle's shell split into layers
• Make into a thin plate
• Coat with plastic, e.g.
• Material made from layers
• Anti-male (anag.)