Related Clues:

• Boring tip of a drill
• Small quantity or piece of metal for a horse
• Make a hole with a pointed tool
• Between the horse's teeth, this loses control
• Between horse's teeth, this loses control
• Cutting piece of a drill (3)
• The cutting piece of a drill
• Small piece or quantity
• 'Part, fragment (3)'
• Part of 21 across
• Ha! This would be what 34 across have a little of
• It would make the boring doctor sick to have to monkey with this
• Got one's teeth into this, just a little
• No peace, by the sound of it, to have got your teeth into
• Not all from the horse's mouth