Ohiri isi ịhịa aka n'ahụnwere ike ịkwụsị ike ọgwụgwụ ma kwalite mgbasa ọbara.Nkeohiri isi olunwere usoro nhazi 3 iji belata mgbu anụ ahụ.Nkwado olu Opillow, nwere ụdị U-na ergonomically curved, dị mma karịaohiri isi oluịhịa aka n'ahụ nwere ike dabara n'ụzọ zuru oke nke ọkpụkpụ azụ, na-enye nkwado 360 ° gburugburu isi na olu iji gbochie ike ọgwụgwụ nke nrụgide kpatara.
Enwere ike ịhazi eriri mkpọchi ka ọ dabara nha olu dị iche iche.Ohiri isi ịhịa aka n'ahụnwere ike belata ahụ ike olu, juputara na ike, utoojoo n'ebe ọ bụla, dị ka njem, ụra ọfịs na ọrụ.Iji U-ọdịdịịhịa aka n'ahụ ohiri isinwere ike igbochi nje cervical nke ọma.