Is the prayer of a mother valid if her hand is clenched and wrapped in cloth due to henna?

The Sunnah is for the worshipper to extend their hands during prostration and not to clench them. Prostration must be performed on the seven limbs (the forehead along with the nose, the two hands, the two knees, and the tips of the two feet). It is preferable for the worshipper to place their forehead and hands directly on the ground unless there is an excuse, and this is recommended but not obligatory according to the majority of scholars. If a woman prays with her hands clenched and wrapped, her prayer is valid but disliked, because she did not prostrate with the limb of prostration in its entirety, and she did not extend her palms during prostration.