The Belly is a fascinating thing and to make good ones happen, sometimes vore needs to be involved. Thunder had no problem demonstrating the feat.
This image was inspired and based on a commission of Mackenya and drawn by the user moominpapa88 on Deviant Art.
Original: http://moominpapa88.deviantart.com/art/Vore-horse-279785079
Thunder © Thunder
Art © Me