A while back I ran an old west sample combat that involved a lot of horses, and a lot of shooting from horseback while moving. One rule we noticed is that "If you are controlling a vehicle or riding a mount, take a move maneuver to spend the turn actively controlling it". But what if you aren't actively controlling your mount? what happens then? A trained warhorse has a lot more initiative than a motorcycle, and is both able and willing to make its own decisions. And they don't exactly stop moving just because their rider is no longer spending all of their energy moving them forward. We ended up allowing players to use their "Steps" to send subtle adjustments to their mounts. Here is our system:
