The top surface of the<unk>  can be<unk>  using a<unk> , a<unk>  brush/scraper or a toothbrush. However, toothbrushes are not considered as effective for this purpose because they have a smaller width and are designed for brushing teeth, which have a solid structure unlike the spongy tissue of the<unk> . This can reduce its ability to remove debris and microorganisms. Some toothbrush designs have projections on the back of their heads to act as a<unk> . Ergonomic<unk> s are shaped in accordance with the anatomy of the<unk> , and are optimized to lift and trap the plaque coating and effectively clean the surface of the<unk> . There are many different types of<unk> s. They can be plastic or metal straps, plastic and/or small brush bristles that form "rakes" or circular devices with handles. Their effectiveness varies depending on the shape, dimensions, configuration, quality of the contact surfaces and materials used.<unk> s are mostly inexpensive, small, easy to clean and durable.
Tongue cleaner
Pill organizer
Leech collector
Vinegar
Stretcher
Spycatcher
Stretcher bearer
Inhaler