Krypto can't do that - no access, so he buries his balls and Nyla Bones in the folds of covers, lol!
I don't give Greenies, rawhide, or animal bones anymore, either. I used to, but not for some time.
However, I just gave Krypto his first elk antler. I used to give them to Tango, and still have some. I like that they are naturally shed and picked up, so don't harm the elk.
Love All Life, Thank You For Posting! :)