Ubwoko bwa McPherson yigenga nta kigo cya Kingpin bufite, umurongo wo kuyobora ni umurongo wa fulcrum, kandi muri rusange uhurirana na axis ya puck. Iyo ibiziga bisimbutse bikamanuka, hasigaye hejuru yukuboko kwa swing, niko umurongo wiziga hamwe na Kingpin uhindagurika hamwe na Kingpin hamwe na Kingpin nigikorwa cyikiziga kizahinduka.
Guhagarika byinshi byigenga
Ubwoko bwamahuza menshi yigenga ku nkoni eshatu kugeza kuri eshanu zihuza kandi hejuru, ishobora gutanga kugenzura muburyo bwinshi, kugirango tipi ifite inzira yizewe. Multing - Guhagarikwa bigizwe ahanini na byinshi - guhuza, guhungabana no gukuramo impeta. Igikoresho kiyobora cyerekana inkoni yo kwihanganira no kohereza imbaraga zuruhande, imbaraga zihagaritse nimbaraga ndende. Igice kinini cya pin axis yo guhagarika byinshi byigenga irambuye kumupira wo hasi hinge kumurongo wo hejuru.
