I've been making slide hammer digging bars and have recently decided to list them on Ebay. They are great for unearthing rocks and splitting layered or fractured bedrock. I've found that gold often hides down in the rocks or crevasses and these tools make the job a lot easier. I've made two different models.
I call the lighter one a "Slam Bar". If you are interested, it can be found by searching Ebay for "Slam Bar".
The heavier model is called the "Bully Bar" and it can be found by a similar Ebay search.
Unfortunately, the slide hammer action doesn't work under water. I'm asking $75 each.
Thanks,
roofman6