Stainless Steel Cow Skull Pendant Necklace. Use this Cow or Bull Skull Pendant as a centerpiece your Western Inspired Jewelry! This Cow or Bull Skull is beautifully detailed. It is designed on all sides, but the skull itself is hollow, keeping it lightweight for wearing. Cows are widely known as gentle creatures. The cow skull is often made into a tribute to a well-appreciated animal who has played a significant role.