I'm really temped to build one of these for my Woodshop. Was just concerned with the danger of some butt head accidentally leaning wood up against it. I assume

I'm really temped to build one of these for my Woodshop. Was just concerned with the danger of some butt head accidentally leaning wood up against it. I assume that would only be a problem with the front of the unit if its a double walled one like this: https://www.youtube.com/watch?v=GfygkTCLDtw&t=1359s https://www.youtube.com/watch?v=GfygkTCLDtw&t=1359s