I don't see that there would be too much of a problem. No ordinary posts like cedar/wooden posts, pipe posts or t-bar/fence posts.
- Homemade, unusual would fit the description if it was specially designed to show off someones artistic abilities, or maybe inabilities.
- They can be stone, brick welded chain or implements or as shown in the photos above.
Not like any of these
SHOW ME YOUR GUN and I'll show you mine 