وَلَا يُفَرْقِعُ أَصَابِعَهُ، وَلَا يُشَبِّكُ.
Meaning: Do not crack the fingers and do not interlace them.
Finger-cracking and interlacing the fingers are distinct acts, both discouraged as unnecessary movements in prayer.
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Cracking and interlacing fingers
Disliked Acts in Prayer: Movement, Dress, Turning and Validity
وَلَا يُفَرْقِعُ أَصَابِعَهُ، وَلَا يُشَبِّكُ.
Meaning: Do not crack the fingers and do not interlace them.
Finger-cracking and interlacing the fingers are distinct acts, both discouraged as unnecessary movements in prayer.