Related Clues:

• Sneaker-sole surface
• Its gradual loss leads to baldness
• Piece between risers
• Interval on a scale
• Something to take you higher
• Vertical stair piece
• Assembly instructions part
• Stairstep part
• Stair feature
• One ___ at a time
• Minuet movement
• Whole tone, e.g.
• Instruction segment
• Small thing in a Neil Armstrong quote
• Aerobics type