Aikin Farko: Matashin Kai Rubutun Littafi: Sidanda Neck Support matashin kai ne wanda aka tsara don rage gajiyar wuya yayin barci. Matashin kai yana da tsawon santimita 70, fadin santimita 43 da tsayin santimita 5. Wani sifar V mara daidaituwa ya raba fuskar matashin kai zuwa sassa biyar wadanda ke goyon bayan tsokar tsoka ta karkashin kwanyar kai (suboccipital muscle group). Sashen kai yana lankwasawa a hankali, yayin da sashen barci na gefe yake bin lankwasar wuya. Cikin matashin kai ya hada da gashin fuka-fukan agwagwa fari da barbashi na roba (latex), wadanda ke bayar da goyon baya mai sassauci tare da barin iska ta wuce. Wani gefe mai facin da iska ke iya wucewa ta cikinsa yana taimakawa wajen fitar da zafi da danshi. Ana ba da nau'o'i daban-daban na tsayi don maza da mata.
Sunan aikin : Sidanda Neck Support, Sunan masu zanen kaya : Philip Lu, Sunan abokin ciniki : SIDANDA.
Wannan kyakkyawar ƙira ita ce nasara ta lambar yabo ta zane a kyakkyawa, kulawa ta sirri da gasar ƙirar kayan kwalliya. Tabbas ya kamata ka ga jakar kayan ƙirar masu ƙirar zane don gano sauran sabbin abubuwa, sababbi, asali da kayan kirki, kulawa ta sirri da kayan ƙirar kayan kwalliya.