Extra karma dump for people who both want to vote -and- help me balance my poll karma against people who vote but don't use the karma dump, since voting and balancing are otherwise mutually exclusive.

Where is the extra karma dump for people who want to do each of vote -and- help you balance your poll karma against people who vote but don't use the karma dump -and- thwart those who would vote the parent up in order to themselves thwart those who wishes to 'balance' their karma gift?