Related Clues:

• Eg, canines, incisors
• (Of fish) take the bait
• Gearwheel projections
• Open space needed for making a park
• Break, space
• In dispute, ethic's effectiveness
• Canines, molars, etc
• Real effectiveness of cogs in the machine, perhaps
• Force visitor from afar into the ground
• Cogwheel projections
• Doctor binds a fracture
• Being in your face, they add effectiveness
• Incisors, say
• Molars, incisors, etc
• Vacant space