Things Which Become Ṭāhir by Ground
Issue No.204- The part of the foot or shoe surrounding the sole which becomes najis due to walking on najis ground will also become ṭāhir when it reaches the ground. However, the hand or the knee of the one who walks on his hands and knees and also an artificial leg, the bottom of a stick, horseshoe, wheels of a car, etc., will not become ṭāhir through touching the ground as an obligatory precaution.