Babban makasudin yin wankan kafa na musulmi shine gudanar da aikin wankin alwala da alwala. "
A Musulunci, Alwala shiri ne da ya wajaba kafin sallah, wanda ya hada da wanke hannu, wankan fuska, yayyafawa, goge hakora, shakewa, wanke gashi, wanke hannu, taba kai, wanke kafafu da sauran matakai. Wanke ƙafafu yana cikin Alwala kuma yawanci yana buƙatar wankan ƙafa don kammalawa. "
Ghusl tsari ne mai tsafta sosai, yawanci ana yin shi a wasu lokuta na musamman (kamar lokacin haila ko bayan jima'i). Matakan Ghusl sun haɗa da wanke hannu, murƙushewa, shaƙewa, wanke fuska, wanke gashi, wanke jiki duka (biyan ka'idar "sashe uku da shida da rabi"), wanke ƙafafu, da dai sauransu. Ko da yake babu wani "kafar ƙafa" na musamman a lokacin aikin Ghusl, matakin wanke ƙafar ƙafa yana buƙatar amfani da akwati don riƙe ruwa. "
Bugu da kari, musulmi kuma suna amfani da wurin wankan kafa wajen tsaftace muhallin yau da kullum a cikin harkokin yau da kullum da kuma bukukuwan addini. Misali, ana amfani da irin wannan kwantena lokacin wanke hannu da fuska. "
