Related Clues:

• Uses one's scull
• Practices one's punches
• Yards, e.g.
• Plows follow them
• Groups of seats
• Spreadsheet lines
• Droves
• Groups of cattle
• Struts
• Roundup groups
• Sails' supports
• Practices for a prizefight
• Seating units
• Spreadsheet features
• Lines of seats