وَدَاخِلُ قُلْفَةٍ لَا عُسْرَ فِي فَسْخِهَا، وَسُرَّةٌ، وَثُقْبٌ غَيْرُ مُنْضَمٍّ
4. Wash inside the foreskin when it can be retracted without undue difficulty.
5. Wash inside a hollow navel.
6. Let water reach an unclosed piercing/hole when reasonably accessible.
If a place has closed or opening it would cause hardship, the rule is not to force it open.
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Ghusl: The Eleven Obligatory Areas
وَدَاخِلُ قُلْفَةٍ لَا عُسْرَ فِي فَسْخِهَا، وَسُرَّةٌ، وَثُقْبٌ غَيْرُ مُنْضَمٍّ
4. Wash inside the foreskin when it can be retracted without undue difficulty.
5. Wash inside a hollow navel.
6. Let water reach an unclosed piercing/hole when reasonably accessible.
If a place has closed or opening it would cause hardship, the rule is not to force it open.