It's probably nothing but I would ask your exotics vet about it. We on this forum aren't qualified to give proper medical advice so I would speak with a professional.
Yep .... he just finds it comfy to dangle it like that .... you should see some of goofy positions my big girl loves .... she's a planker - she's rather go to sleep planking across the gap between her grotto and her hubbahut while watching tv / holding out for more mommy / daddy snuggles (so I've given up trying to get he to go to bed , while my boy puts himself to bed on his nice toasty heated slab under his hubba hut....