We're looking for investors with 'pockets' that are deep enough to pay for the project. [=investors with enough money to pay for the project]
People 'vote their pocketbooks'. [=people vote according to how a candidate or issue will affect their financial situation]
It turned out that they had 'pocketed' [='stolen'] most of the money that was supposed to go to victims of the fire.
(..) "The chief foreman of the Heart Machine, Grot - with an important message..." "Two more of those damned plans, Mr. Fredersen..." "... in the pockets of two men involved in today's accident at the M-Machine..." "Why is it, Josaphat, that these plans were brought to me by Grot and not by you?" (..)1927 Metropolis