Could be a mine cap.
bury it, deep and dark where the light will never find it, under it place a box, and in the box place a ring.
An egg in a duck in a well in a church in an island in a lake in a mountain.
Was about to post this.
Although most mine caps are bigger, but it could have been a cap for *something*.
Pick Axe is going to do **** all. I'd (not) love to see it bounce back and hit you in the face...
Sledge hammer and decent bolster or cold chisel (to fit into any gaps) or a Kango/pneumatic breaker will do.
You need one of these....
![]()
He will need really long arms to use a sledge hammer and a bolster haha
You need one of these....
Build a trebuchet and make it somebody else's problem.