He thought he'd already made all this clear, but maybe not. It was harder to keep track of unimportant details like that when your skull was empty. If he'd any eyes, he would have rolled them.

"It wouldn't be a freebie if you could use all of them the same number of times," Charon pointed out. "So, no, you don't have to use each one only once -- except if you get bounced back here and try to pay with the same sense in a single night. In other words, I'm not gonna let Stinky and Mouthy pay with their sense of touch on the same night. That's boring, not to mention useless to someone like me. Got it?"

Tightening his bony grip on his staff, Charon tilted his head. "Now," he added with a note of finality in his voice, "what's it gonna be, kiddies?"