O Rings ofo atu i le mamanu se elemene faʻamaufaʻailoga lelei ma le taugofie mo le tele o faʻaoga faʻapitoa poʻo le faʻamalosi. O mama o e faʻaaogaina lautele, e pei o mama o faʻaaogaina e avea ma elemene faʻamau poʻo ni elemene faʻamalosia mo faʻamaufaʻailoga slipper hydraulic ma wioers ma faʻapea e ufiufi ai se tele numera o fanua o talosaga.E leai ni matā'upu tau alamanuia e le fa'aogaina ai le o mama.Mai se fa'amaufa'ailoga ta'ito'atasi mo le toe fa'aleleia ma le tausiga i se fa'aoga mautinoa lelei ile va'alele, ta'avale po'o inisinia lautele.