Poyerekeza ndi woyenga, mphero za mpira zakhala zikuyenda bwino ndi ubwino wogwiritsa ntchito mphamvu zochepa, zokolola zambiri, phokoso lochepa, zitsulo zotsika kwambiri, zosavuta kuyeretsa, kugwira ntchito limodzi, ndi zina zotero. Mwa njira iyi, yafupikitsa nthawi 8-10 nthawi ya mphero ndikusunga nthawi 4-6 zogwiritsa ntchito mphamvu.Ndi ukadaulo wotsogola komanso Chalk zotumizidwa kunja zonyamula zoyambira, magwiridwe antchito a zida ndi mtundu wazinthu ndizotsimikizika.