Crossword Genius

A handy pointer? (6)

Ross

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6

5,6
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'pointer?' is the definition.
(a finger may point at things)

I cannot understand how the rest of the clue works.

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(Other definitions for finger that I've seen before include "Sort of bowl" , "Index" , "Fringe (anag.)" , "Tell the cops" , "Slender part attached to the hand" .)

I've seen this clue in The Globe and Mail.
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