On the surface it seems a Herculean task, but then there's a reason we were passed down those old “myths.”
The founding fathers and even later, H.L. Mencken had the unmitigated audacity to propose just that. Once the lazy grifter realize that they can vote themselves goodies from the public till, there is no end to the theft.
All you need to do is send people through the ghetto and get them to sign petitions against "Welfare Recipient Suffrage", or to "Stop Unemployed Suffrage!"