Can I bring folding stool to the Mayday concert?

Folding stool can't be brought to the Mayday concert. According to the card entertainment inquiry, you can't take folding stool to the Mayday concert, but you can watch it for free outside the venue. The concert listed 29 admission rules for the audience, including general venue rules, with special reference to the prohibition of dragging large suitcases, folding stool/chairs, hard objects over one foot long, photographic equipment and aerial photography equipment. So folding stool can't be brought to the Mayday concert.