There are several scenes during Sabina's crucifixion in The Serpent's Eye where her teeth are clenched. Here are a few:
This are a couple where Sabina has her butt planted against the face of the cross, trying to hold herself up as best she can. These are in the category of unfinished scenes - I didn't use them in the story.
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Here she grits her teeth as she tries to raise herself on the cross. In the background, the man dying on the cross next to hers gets a drink from the sponge.
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In this scene, Sabina clenches her teeth in pain, defeated by the unbearable agony of the nails. She finally surrenders and allows the point of the cornu to slide into her rectum.
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And in this scene, she clenches her teeth again, watching helplessly in horror as the executioner's helper draws back his whip to deliver a stinging stroke to her bare breasts.
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