Latsa dabaran hannu yanzu shine mafi yawan kulawar hannu, kuma musamman ma a cikin aiwatar da hakowa kuma shine ƙirar da aka fi so, saboda ya yi la'akari da mahimman abubuwan shine manufar, wuri da halaye na aiki, mafi sauƙi mafi kyau, ba shakka, shigar da babban shine daidaita aikin mai canzawa.
An ƙera bawul ɗin kulawa da hannu don hana gazawar samar da iska ko fashewar sanadin, babban samfurinsa na aikace-aikacen shi ne: tsarin sanyaya gaggawa da ƙa'idodin haɗari; na biyu shine matsalar kewaya bawul; a ƙarshe shine fitowar abubuwan da ke sama, manyan dalilai na motar stamping ko amfani da ƙafar hannu don sarrafa ayyuka masu mahimmanci.
