Related Clues:

• ''For want of a . . . . the shoe was lost''
• Hit it on the head to be dead right
• Pinned down, literally with small metal spikes
• Steel pin used by carpenters
• Hit it on the head to be absolutely right
• Attached by means of a pointed piece of metal
• Attached with a pointed piece of metal
• Hit this on the head to be bang-on
• Horny covering of the digits
• Hit this on the head to be absolutely right
• Hit this on the head to be dead right
• Hit this on the head to be right
• Metal pin, hit it on the head
• Small metal spike
• It may be driven five-in-hand?