GYaozii 144 Shot Glass Display Case UV Protection Large Capacity Holder | Lockable Acrylic Door Wooden Wall Mounted Shadow Box Cabinet with Removable Shelves

My friend, as a fellow shot glass collector, I gotta tell you that those shelves are an absolute waste of space, not efficient at all, one good shake away from not being braced into studs and dropping everything and poorly hold weight over time. If you want to collect shot glasses, there are entire products out there for a myriad of sizes and designs to properly store and/or display your shot glasses. For example https://a.co/d/0eaC16DN