Related Clues:

• Studied, with "over"
• Oil spot
• A sweater may use it
• Hole in the head?
• Skin orifice
• Sweater?
• Sponge feature
• Hole in a sweater?
• Breathing space?
• Tiny hole
• Read closely, with "over"
• Studied, with ''over''
• Sweater's outlet?
• Skin feature
• Pumice feature