Possible Clues:

• Dig like a pig
• Dig with a snout
• Turn over earth with the snout in search of food
• Search for food, turning to large caviar sandwiches
• Grub to put back in part
• Dig (as pig for truffles)
• Search the ground as pigs do
• Dig round about the broken tool
• Dig with the snout (Var.)
• Grub around