a) An yi shi daga ƙarfe mai tauri, jiyya ta sama ta hanyar fesa zazzabi mai zafi, tabbacin tsatsa.
b) Makullin ƙira guda ɗaya na iya jujjuya bawul ɗin ƙwallon kwata a cikin matsayi.
c) An yi amfani da girman bawul ɗin ball daga 6.35mm (1/4 ”) zuwa 25mm (1”), diamita rami shine 3/8”.
| Bangaren No. | Bayani |
| Farashin SBVL01 | Girman: 84mm × 60mm, rami diamita: 9.8mm |
| Farashin SBVL02 | Girman: 155mm × 110mm, rami diamita: 9.8mm |
| Saukewa: SBVL02-2 | Girman: 155mm × 110mm, rami diamita: 7.5mm |

