Digging a post with a foot – When digging in the posts of garden elements of small architecture, they must be properly secured against tilting and tearing out of the ground.. A short piece of wooden beam can be a good protection, nailed to the forehead of the post and dug into the ground. In any case, it is worth embedding such a post by throwing a few larger stones or concrete rubble into the trench and only then cover the trench with soil mixed with fine gravel..