1. ʻO nā mea PVC, ʻaʻole e hōʻino i ka console kikowaena, hoʻokomo a hoʻohana.
2. ʻO ke kumu nui, mālama pono no nā mea liʻiliʻi i loko o ke kaʻa, maʻemaʻe a nani.
3. ʻO ke kino anti slip, kūpaʻa a kūpaʻa i ke kiʻekiʻe a me ka haʻahaʻa haʻahaʻa, me ka ʻole deformation a me ka ʻala, a hiki ke holoi pinepine ʻia.
4. Hoʻohui ʻia nā pūʻulu 6 o ka hoʻokomo kikohoʻe ʻekolu-dimensional buckle.