volcanic rocks?
#1
volcanic rocks?
I was thinking about picking up these volcanic rocks for a backyard crawling course
http://losangeles.craigslist.org/lgb...562934670.html
How rough they are looks like they would have great traction, anyone crawl on something like them before? reminds me of a low grit sand paper
http://losangeles.craigslist.org/lgb...562934670.html
How rough they are looks like they would have great traction, anyone crawl on something like them before? reminds me of a low grit sand paper