Watching her keenly, he raises the unnecessarily plain object, and gives it a dubious tap-- Only for his eyebrows to rise right up into his hair, and he quickly runs through the tutorial, nodding to himself, and muttering under his breath.

He folds himself into a sitting position with a soft metallic rattle, still muttering, with the occasional hmm or ahh that require no translation.

In short order, a message pops up on Katherine's-- device.

un: spiritoffire would like to send you a private message.