Weighted B-U Toothbrush
https://kinsmanenterprises.odoo.com/shop/25040-weighted-b-u-toothbrush-3659
https://kinsmanenterprises.odoo.com/web/image/product.template/3659/image_1920?unique=d32b086
A weighted built-up handle toothbrush gives a better grip and helps slow tremors down.