Jurists allowing one strike rely on transmitted descriptions that combine wiping the face and hands after a single contact with earth.
The Hanafi procedure separates the face and arms into two strikes. The disagreement is procedural, not about whether tayammum is prescribed.
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Tayammum: Valid Reasons, Conditions, and Method
Jurists allowing one strike rely on transmitted descriptions that combine wiping the face and hands after a single contact with earth.
The Hanafi procedure separates the face and arms into two strikes. The disagreement is procedural, not about whether tayammum is prescribed.