Thread:CarsFan3/@comment-3581997-20170513010221/@comment-26119751-20170628205928

Yes if you see this image of Mater and the ghostlight, that little small bulge in front of Mater's hind wheels is in fact his prepuce (penis sheath or covering of the penis)

http://caps.pictures/200/6-mater-and-the-ghostlight/full/mater-ghostlight-disneyscreencaps.com-360.jpg