Related Clues:

• Knocks this back a yard on board
• Do some practice punching
• Tall ship item
• Participate in a debate, as it were
• Practice with gloves on
• Knocks over box
• Box of ship's timber?
• Plain, though not brown, box
• Fight taking one second on average
• Knocks up box
• Flash briefly revealing pole
• Beats up a Pole
• Fight blows up
• Pole not entirely free
• Fight possibly rigged