Even If You were to Carry It Out, They wouldn’t Give a Damn About It.
The teacher ensured that all students came to every class with their laptops. He told them very seriously that if a computer weren’t on the desk, it would be counted as an absence. This intelligent person might have forgotten to bring their laptop, but there’s no question that they didn’t forget to bring their brain.

Sincerity compels me to say that your suggestion to bring a sandwich press to the presentation is a great one that you should consider carefully. Even though he won’t be able to record or take notes during the lecture, he will still get credit for being there, and there’s a chance he might even have time to grab some lunch. You and your partner have a good chance of coming out on top in this situation.