earplugs: Noise-reduction devices. Small buds are inserted into the ears to block out sound.
These putty-style earplugs offer extended comfort for an audio night’s slumber. The soft putty creates much less pressure, which makes it much easier to help keep them in place for long periods of time. Workers who have heavy beards or sideburns or who wear glasses may find it difficult to obtain good protection from earmuffs….