In its simplest form, a keg is a container used to hold beer, wine, spirits, ciders, and soft drinks. Most are made from aluminum or stainless steel for durability, ease of cleaning, and reuse.

Armed with a beer keg and some ingenuity, [AndrewW1977] got down to work, building a rig that could get the job done. The build starts by cutting the keg in half. A series of zigzag steel pieces ...