وَالثَّالِثُ إِمْكَانُ مُتَابَعَةِ الْمَشْيِ فِيهِمَا، وَالرَّابِعُ خُلُوُّ كُلٍّ مِنْهُمَا عَنْ خَرْقٍ قَدْرِ ثَلَاثِ أَصَابِعَ مِنْ أَصْغَرِ أَصَابِعِ الْقَدَمِ
3. They must be footwear in which continued walking is realistically possible. This is why rigid glass, wood, or iron examples fail the condition.
4. Each khuff must be free of a tear/opening equal to three of the smallest toes. Smaller tears on one khuff are combined; tears on the two separate khuffs are not combined with each other.