How to Polish Rocks with a Rotary Tumbler and Plastic Media
30:59
How to Tumble Obsidian
38:41
How to Get a Great Shine from a National Geographic Tumbler
35:20
Rock Tumbling: mahogany obsidian in lortone and lot-o from start to finish polish
16:40
Rock Tumbling Secrets for Gorgeous Results!
55:16
Rock Tumbling Tutorial for Rotary Tumblers and Ceramic Media
26:30
Comparing Rotary and Vibratory Tumbling of Lake Superior Agates
29:54
Rock Tumbling: obsidian from rough to polish in lortone and lot-o tumbler
20:42