Possible Clues:

• Looking up, a woman sees through it
• A restriction that's no problem for smashing women?
• What's reportedly stopping good young woman getting to the top?
• Bar sometimes hit by women making out?
• It prevents the promotion of minorities and women
• Indistinct yet unmistakable barrier on the career ladder
• Unacknowledged career barrier
• A barrier for good girl securing broadcast?
• Restriction on one's career that's highly transparent?
• Type of working-man's bar that supposedly stops women from holding drink on the upper limit