Such contraptions are known as, unsurprisingly, rotary rock tumblers. But what [Fraens] has put together here is a vibratory tumbler, which…well, it vibrates. If this was Rockaday we might go ...

Such contraptions are known as, unsurprisingly, rotary rock tumblers. But what [Fraens] has put together here is a vibratory tumbler, which…well, it vibrates. If this was Rockaday we might go ...

Ceramic tumbler media makes the entire rock tumbling process more effective, improving delivery of rock tumbling grit, These rock tumbler ceramic pellets are safe to use with any rock tumbler.

the vibratory bowl uses a wet or dry medium, like crushed walnut shells or plastic beads, and intense vibration to clean the surface of most metals. If you've ever seen a rock tumbler in action ...