Related Clues:

• One of 12 in a cube
• Badgered without Brad from Trim
• Snick a boundary?
• Jigsaw puzzler's starting place
• It can get dull
• Narrowly defeat (with "out")
• Side to progress forward gradually
• English degree now and then gives you advantage
• A razor has one
• Advantage of four-speed gears
• Side, brink
• Border in seen in red, generally
• A Möbius strip has just one
• Knife feature
• Part of a ruler