How about making one that doesn't shed little bits of nylon into your mouth. It's surprisingly hard to find a toothbrush with natural bristles, but there are s

How about making one that doesn't shed little bits of nylon into your mouth. It's surprisingly hard to find a toothbrush with natural bristles, but there are some boarshair options. Most of the hippy-dippy toothbrushes use nylon made from corn.