It was a fine harness and reins. The leather was soft and well tooled. The bit was so shiney one thought it could be silver. It looked like no bit and bridle that he had ever seen. Yet, it seemed familiar, like he had heard stories about this before.
"There is something about the outside of a horse…that is good for the inside of a man."
What if some crazy wizard created an artifact that empowered rodents that touched it with one random supernatural power? Preferly right out of the pages of your favorite four-color. (But only one power!) This item does not convey any sort of intelligence boost.