They sell hollow marrow bones that have flavored chicken and beef. These have no fat on them and are
extremely durable.
I have to watch Jack because he is an very aggressive chewer. They are kinda big. This seems weird but my hubby splits the bones in half with a hammer
lol. Then files them with a grinder so there are no sharp edges to hurt their mouths These bones last forever.
I know it seems like a lotta work however it keeps them busy and they enjoy them. Mine like them lots because they are the real thing they do not really like anything that is synthetic like the nylabones and the edible ones they tear apart real fast.
Verena