Mayhap consider seeing if they will work with the magic of others. As amusing as it may be to see others transformed into seals, I cannot envision a long-term use for such a prank.

[ Ugh, no, he definitely needs to find a bath and launder these robes. He hates how sand gets in crevices it really has no business being in. After thinking a few moments, he stoops to offer her a hand up. ]

Just a thought.