Ko te Suspension Jack Knife he mahi tino whakawero e aro ana ki nga uaua puku, kia pai ake te taurite, me te whakanui i te kaha o te tinana. He mea pai mo te hunga takawaenga ki te hunga hikaka ki te whakapakari tinana e whai ana ki te whakakaha i a raatau mahi whakangungu. Ka taea e nga tangata takitahi te whiriwhiri mo tenei mahi hei whakanui i to raatau kaha, kia pai ake te pumau, me te whakanui i o raatau mahi takaro.
Ae, ka taea e te hunga timata te mahi i te Korikori Whakatarewa Jack Knife, engari he uaua pea na te mea e hiahia ana ki tetahi taumata o te kaha me te pumau. He mea nui tonu kia puhoi te tiimata, te pupuri i te ahua tika, me te whakanui haere i te kaha ka pai ake te kaha me te manawanui. Mēnā he tauhou koe ki te whakakorikori tinana, he āwangawanga hauora rānei koe, e tūtohu ana kia whakapā atu koe ki tētahi tohunga ngaio tinana, kaiwhakaora tinana ranei kia pai ai te whakakorikori mo to taumata whakapakari tinana me te mahi tika kia kore ai e whara.