Pointer for example that's pointed (6)

I believe the answer is:

canine

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'pointer for example' is the definition.
(pointer is a kind of canine)

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for canine that I've seen before include "like a setter" , "Of or like dogs" , "A tooth; of our best friend" , "Pointed conical tooth" , "Doggy; tooth" .)

I've seen this clue in The Guardian.

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