Possible Clues:

• Locomotive's front
• Steam locomotive's front
• Metal frame on the front of a locomotive
• Locomotive's nose
• Lasso attached to front of Chattanooga choo-choo?
• With haul of fish secured inside, draw back metal frame
• Lasso in front of train?
• Device on old American trains to push aside obstructions
• Locomotive feature
• Track-clearing locomotive feature