Related Clues:

• Opens, as envelopes
• Long narrow openings
• Tiny cuts
• Long narrow cracks or fissures
• Fine cuts
• Thin apertures
• Narrow gaps
• Cracks in the earth
• Venting aids
• Long, narrow cuts
• Gill features
• Alluring skirt features
• Buttonholes, usually
• Long narrow fissures
• Mostly female punk band of the 1970s, with 'the'