Shaking hands, I will make a pile (8)

I believe the answer is:

sandhill

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'a pile' is the definition.
I don't know anything about this answer so I can't judge whether it can be defined by this definition.

'shaking hands i will' is the wordplay.
'shaking' is an anagram indicator.
'i will' becomes 'I'll' (abbreviation).
'hands' is an anagram of 'sandh'.
'sandh'+'ill'='SANDHILL'

'make' acts as a link.

Can you help me to learn more?

(Other definitions for sandhill that I've seen before include "Strand" , "Dune" , "Feature of beach" .)

I've seen this clue in The Guardian.

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