GroundSweeper
Forum Supporter
I have ice anchors that look like that...
Used to hold the shanty from getting blown away...
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That was my first thought as well...Ice Anchors.
I still don't know what exactly its for, but, I got one now too...
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I don't believe they're anything for the field or dirt. I mean come on, why a screw? Threads are too fine to get any purchase in soil for hold down power. Can you see some guy out there drilling pilot holes in the ground and threading that thing in. I guess if he couldn't get it to start he'd step on it to push it in, hey, wait a minute!
Maybe some remnant of something that occurred there before. Or where the soil was brought in from. Some activity that you'd need something like that and didn't want the hassle of carrying around a wrench. Temporary hanger of some sort.
Maybe a screw for a pitching machine, notice the t bolt for the legs