The escape of air from the cushion can be reduced by employing air or water curtains, by arranging labyrinth chambers in the craft bottom, or by installing flexible or fixed sidewalls.
Uphumo lomoya kwisikhuseli lungehliswa ngokuthi kongezwe umoya okanye izahluli- manzi, ngokucwangcisa intungele enqabileyo yendlela enamagumbi kumzantsi wenqwelo etshitshizayo ngokufakela amacala odonga athambileyo okanye awomeleleyo.