Related Clues:

• Cogs
• Feature of an effective bill, rarely a hen's
• Canines, maybe, snuggling into settee thus
• Food may get stuck in them - odd bits of meat, eh?
• Persistently follows
• Eg, canines, incisors
• Gearwheel projections
• Canines watch where ball starts and heads for the hole
• 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
• They associated with Crusoe and Flanders
• Being in your face, they add effectiveness