Related Clues:

• Plane, e.g.
• Drive (along)
• Skill
• Device
• Liability's opposite
• Strength
• Advantage
• Thingamajig
• Good will, e.g.
• Gimlet or screwdriver
• Dweeb
• Cat's-paw
• Plus
• Hammer or sickle, e.g.
• Die, e.g.