Related Clues:

• Wandering worker
• Rail transport
• Red Skelton persona
• Thomas the Tank Engine, for one
• Learn the ropes
• Depression-era figure
• Do the drill bit
• Sundowner
• Use the gym
• Derelict
• Character often seen in a rail yard
• Practice punches
• Bindlestiff, e.g.
• Focus (on)
• Skid row frequenter