I bought a thing from Ram mounts and made an ground anchor of sorts it sort of worked will try and find a picture of the thing
Old time trappers used to use a buried stake to hold bears and big game. The holding power of a buried anchor is immense. They used a hinge system to push the anchor into the ground end on, with the snare wire attached amidships, so the anchor flattened out underground. Less ground pressure to push it in end on, impossible to pull out without digging it up, unless there was a trip line attached to one end, so it would come back out the way it went in.
