Crossword Genius

Literary adventurer disturbed lingerer grabbing tool for opening letter (9,6)

Ross

I believe the answer is:

peregrine pickle

I'm a little stuck... Click here to teach me more about this clue!

'literary adventurer' is the definition.
(character created by Tobias Smollett)

'disturbed lingerer grabbing tool for opening letter' is the wordplay.
I cannot really see how this works, but
'tool' could be 'pick' (pick is a kind of tool) and 'pick' is found within the answer.
an anagram of 'lingerer' is 'regrinel' which is present in the remaining letters.
'letter' could be 'pe' (pe is a kind of letter) and 'pe' is present in the answer.
A single letter 'e' remains which might be clued in a way I don't understand.
This explanation may well be incorrect...

Can you help me to learn more?

(Another definition for peregrine pickle that I've seen is " Smollett character".)

I've seen this clue in The Guardian.
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