Hippo Hopper Spot. by Seven-Nine Productions | Oct 3, 2011 | Production Blog | 0 comments This is a 30 second commercial we made for a company that makes the worlds only self-dumping hopper. Check out hippohopper.com if you are in need of a easy to use self-dumping system. Hippo Hopper Self Dumping Hoppers. from Vincent Mims on Vimeo. Shares FacebookTwitterGoogle+Like0 Like this:Like Loading... Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.