Morphling python daz3d Fed morph limits Help

chunnif_f3ded6bbc2

how I can make the effect of daz 3d python Morphling,
for the mouth of the serpent and of the neck becomes swollen, as if swallowing something , Morphling python only fed morph has limits this hip 11 neck 11 and tail 11 I wonder if I can expand them to achieve this effect in more parts of the snake in special in his head-mouth and the rest of his neck

thanks and greetings