This is the innovation that applied anthropometry to design that is the toothbrush. The toothbrush is innovation that’s the power of observing the behavior of your users and integrating it into a design process.
The toothbrushes are two main ways together. Toothbrushes for adults Is to handle large and long. The toothbrush's handle is smaller and shorter. And children's toothbrushes have fat, squishy handles.