Lagering, yes. Fermentation, no. Very few lager yeasts ferment below 50F, the lowest I've seen is 48F.
You can pull a post and use a very small stopper.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
"I would like to die on Mars, just not on impact." Elon Musk