Thanks Tom,
I've seen honeycomb tripe before and this was much more of a "spiky/hairy" texture so I guess I dismissed that possibility. It looks like it comes in a few varieties though, so thats most likely correct. Thank you!
So I was eating some Pho today from a place I frequently visit (although that may change now) and it was certainly made differently. In addition to some large chunks of fat, I found these weird spiky things that are certainly not noodles. They smell salty and have a tough noodle like texture and...