Crossword Genius

Spike heel (8)

Ross

I believe the answer is:

stiletto

(Other definitions for stiletto that I've seen before include "Dagger with narrow blade, or a high heel" , "A short knife, dagger or heel" , "Pointed arm" , "Thin high heel" , "Small dagger with a tapered blade" .)

I've seen this clue in The Star Tribune, the Evening Standard and The Mirror.
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