>>16615750It's my own little "addition" to the front plush that is made from common household items that are surprisingly resilient, soft, and flexible, not too flexible though or else it wouldn't work as intended. I'm actually quite proud of it and would love to share you the list of objects if I could remember where I put it and dig it up.
This list is compiled after much tweaking and many test runs on other plushes that may or may not be eeveelutions. Trust me though, just look through a Walmart and you can find want's needed to make the addition I'm heavily implying. As for the other end, I'm sure your adept enough to cut an appropriate sized hole,
everyone has personal preference in that after all :3c 
