I don't mean riding on a werewolf's back, that would look ridiculous. I would love to be able to transform into a "non-combat" werewolf by summoning my mount and use the mounts stamina and speed. Then "dismounting" would transform you back. You could even have the mounts appearance upgrades like the head armor and wrist and ankle bindings. No Saddle would be needed. Not sure about saddle bags on the hips or maybe a backpack?
I would prefer if this was a werewolf only ability, but in reality, sold as a "mount" that anyone could use would be more appealing to a larger audience. Maybe even pair it with an alternate werewolf skin that has the head armor and wrist and ankle bindings for continuity.
I think ZOS is missing out on the possibilities with alt skins for the werewolf, winged twilight, clanfear and warden's bear. The twilight could alt as a harpy, the clanfear as a verminous replicant. and for the bear, it would be cool to substitute any of your owned mounts, even if it was just the bears like wild hunt or dwarven.