One of the manners of using shoes is not using only one shoe or footwear. Use both or take both of them.
In a hadith from Abu Hurairah (may Allah blesses him), that the Messenger of Allah (ﷺ) says:
لا يمش أحدكم في نعل واحدة، لِيُنْعِلهما جميعًا، أو لِيَخْلَعْهُمَا جميعًا
“None of you should walk wearing one shoe; you should either wear them both or take them off both” [al-Bukhari and Muslim].
In this hadith, the Prophet (ﷺ) prohibits us from walking with one shoe and tells that we should either wear both shoes or take them both off and walk barefooted. Because using only one shoe can endanger the wearer and make his appearance less good.
This manner also shows the precision of the Islamic Shariah and the fact that it encompasses all aspects of life.
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