Yogurt cup holder assistive device

I made this yogurt cup holder assistive device for a client who experienced a stroke and only has functional use of her left upper extremity. She eats yogurt for breakfast every morning, but the yogurt cup would get away from her as she was trying to eat it with use of only one hand. I designed this assistive device to fit the specific brand of yogurt she eats, and after using hot glue to attach some Dycem to the bottom, she can open the yogurt cup more easily and her yogurt doesn't get away fro