Um certain restrictions do apply here though. Uh latex , you can't do solar power with a latex one. So , if they want some a soft squishy rubber , they can't have the solar powered option. Double-curved , you can't do titanium.
What is that ?
Um that would be two curvatures , so it would actually , if you  the shape of your hand , you curve here and you curve here , so you could have two curves that match the shape of your hand to make it more comfortable to hold.
Mm.