DHZ imapereka njira yatsopano yophunzitsira kwa iwo omwe safuna kupereka malo pansi koma amakonda mayendedwe amtundu wa jammer. The Lever arm kit imatha kulumikizidwa mwachangu ndikuchotsedwa pachoyikapo chamagetsi, kapangidwe kake kamagwiritsa ntchito mayendedwe opulumutsa malo kuti alowe m'malo ovuta a lever. Kusuntha konsekonse komanso kumodzi kumaloledwa, mutha kuyimirira kapena kukhala. Kankhani, kukoka, squat kapena mzere, pangani njira zophunzitsira zopanda malire.