CRAP. I just cleared a pumpkin field by making hats.
What are the odds of stone fencing being added? Nice, normal stone fence....that a bear can't chew through on his way to making you wish you had more strength, marksmanship, or a pallisade between you and him?
Something that can be made by anybody. Normal everyday rocks, and maybe some clay. No metal, no leather, no bone glue.