Nta1.Tag nrho cov hlau siv nrog xauv.2.Nrog adjustable ntawv qhia bar3.Metal lever thiab puag.4.Ergonomic arc tsim, haum cov duab ntawm tes.5.Kev thaiv ntawm txoj hauj lwm qib.6. Tshem tawm nti tais.7.Nrog me me ntim thiab yooj yim, cus ciav xim.