Under-40s are brainwashed. Bringing them out is likely to bring out more 'rats than conservatives. So I would concentrate on over-40s; i.e. the more affluent, employed people not living in mommy's basement.
30% of eligible voters didn't vote in 2016. More than half are brainwashed. But if just a small fraction of what remains can be encouraged to vote, it could make all the difference.