They give the impression of being as though they are actually bought ready-made for sewing on to go with the bead-protected sleeves. If you're thinking that you comprehend the asker’s confusion or can reveal that dictionaries or equivalent never response this question, remember to edit the question to elaborate it. https://magazin-welt.de/die-vorteile-eines-massivholzbetts-haltbarkeit-stil-und-nachhaltigkeit/