You definitely saw all those crappy NOT - planches on YouTube or elsewhere where performer arches his lower back like mad to compensate the lack of strength in his girly weak body. (roughstrength.com)
Working up to exercises like planches and iron crosses are also easier when dealing with two separate rings. (weckmethod.com)
The booklet, subtitled ’10 Planches en Couleurs» presents ten horizontal rectangles of thin coloured paper, each glued onto a page, each pretending to be tipped - in reproductions of an actual paintings, but in reality being a found off - cuts of a commercial coloured paper. (inglebygallery.com)