Gargle with warm salt water
Use a water flosser on the lowest setting
Gently cough to dislodge it
Use a cotton swab to press around the tonsil very gently
Try an oral irrigator with lukewarm water
Brush your teeth and tongue thoroughly
Floss daily
Stay well hydrated
Use an alcohol-free mouthwash
Eat crunchy foods to help dislodge small stones
Avoid poking deep into the tonsil
See a dentist or ENT if it is painful, large, or keeps coming back