Explanatory notes
… Thus the covers may be of any textile fabric, plastics, paper, etc., and they may be embroidered, trimmed with lace, … which may be affixed to the ground (e.g., by means of pegs in the manner of a bell tent, or anchored by means of … metal, ivory, horn, bone, amber, tortoise-shell, mother of pearl, etc., and they may incorporate precious or …