Putting it into perspective...

[Water Warrior 2]

Originally Posted by alanmcorcoran

I don't have the driver backrest but I do have the rider backrest. Fortunately, it's snaps on and snaps off so it's mostly off. I can still actually lift my foot up and over directly to get on if need be, but years of bicycle riding conditioned me to "saddle up" horse style, sweeping the right leg over the backend.

Maybe you can get one of those things they used to have to hoist the knights on to their mounts.

Actually a more useful item would be outriggers or a sidecar.