You can also use oral irrigators such as water picks, they would help push your tonsil stones out of their sockets.

Place it in your mouth and light it without touching the stone. Then direct the water jet towards the visible stones and hold it until they come out of their cavity.

You can use mouthwash after eating because tonsil stones form when food gets stuck in the holes.

However, you can use a mixture of warm water and salt, it tends to soothe the discomfort caused by the tonsil. Mix a teaspoon of salt in a glass of water, stir it all together, tilt your head up, and then start gargling.