Get the belt and use it to restrain her head from moving away during the waterboarding

Surely enough Anthony comes back with more water. Her brain has started to associate the sound of his slow footsteps with fear and distress. Unable to see anything, she waited for the water to start tormenting her airways again, but instead she felt his hand pushing her head back and a thick band being placed on her forehead and then tightened around her head and the metallic part of the bed platform, and secured in the back, she could tell by the way he secured it that it was a belt, it also felt like the leather of a belt.

He rearranges the towel to cover her whole face, and when she realizes that she can longer move her head in any way the water begins to fall on her face again...