Implement to make cocktail (11)
I believe the answer is:
screwdriver
I believe this is a double definition.
'implement' is the first definition.
(screwdriver is a kind of implement)
'cocktail' is the second definition.
(I know that Screwdriver is a type of cocktail)
'to make' acts as a link.
(Other definitions for screwdriver that I've seen before include "Tool used to tighten" , "Tool for turning fastening device" , "Cocktail (vodka and 4 down juice)" , "Drink" , "it gives the fixer a turn" .)