Possible Clues:

• Tool that resembles a "P"
• Wood cutter
• Worry when one looked at the holes it made with the teeth
• Tool for cutting designs in wood
• What one viewed might worry with the teeth
• Cutter for thin wood
• Fine-toothed tool
• One might worry, having viewed the holes it's made
• Wood-pattern-cutting tool
• Forte idler raised: one's good at cutting corners