Grub favoured by Hell's Angel? (13)

I believe the answer is:

leatherjacket

I believe this clue is a double definition.

'grub' is the first definition.
(leatherjacket is a kind of grub or insect)

'favoured by hell's angel?' is the second definition.
(the Hell's Angels wear leather jackets)

(Other definitions for leatherjacket that I've seen before include "Swimmer" , "Cranefly grub" , "Garden pest - crane fly larva" , "Cranefly larva" , "Tropical fish -- heckler at a jet (anag)" .)

I've seen this clue in The Times.

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