Scarier still, when you can see exactly what's below. [He blinks, briefly, to remove that sight, but...]

Usually, there's someone else to do it for me. I try not to make it too difficult on them but [between the blood and mud of the battlefield] sometimes it can't be helped, and I must do my own here.

[...and he can't help glancing upward briefly, at that.]

...It's a novel idea. I presume there's a rig that would cause the water to fall...? [That sounds remarkably pleasant. And saves you the trouble of having to pour water over your head to rinse!] I might need to find one for myself.