1.Arched rubber strip
2.Special-ʻano anti-hoi puʻe pulupulu kaula
3.Air permeable sponge rubber
4. Paʻa paʻa/pāhaʻahaʻa ʻōpala (no ka pahu pahu)
5. Columnar gap rubber strip(us ed for corrugate cardboard)
6.Corrugated pale pale