Not a Ruben’s tube
So it’s not a Ruben’s tube, but what is it? Well, like a Ruben’s tube, it’s a metal container (cookie sheet) with evenly spaced holes in it. And we pump…
So it’s not a Ruben’s tube, but what is it? Well, like a Ruben’s tube, it’s a metal container (cookie sheet) with evenly spaced holes in it. And we pump…