Bill wrote, on Tue, 28 Oct 2014 00:21:04 -0400:

The data suggests the perfect solution has not been found. I think
it's like "cat and mouse" to the students.

I fully expect the students to deface this new paddle.
But, short of making it out of titanium, I wasn't sure how to proceed.
It's kind of like a game of whack-a-mole.