From the release:
Check out our latest release, the Mounted Halfling Samurai!
For the halflings, the versatility of the ibex as a fighting mount is unparalleled compared to other similar creatures. Wiry and tough, these mountain goats make exceptional mounts for the halfling samurai and they took to rearing and training these taciturn creatures for use in battle. The ibex is a stable platform to fire from, a reliable mount with which to traverse difficult country on and a fierce partner in close-quarter fighting.