Some have headbands that can be worn over the head, behind the neck or under the chin. Newer models have jointed bands increasing the ability to properly seal the earplug. The main advantage canal caps offer is convenience. When it's quiet, employees can leave the band hanging around their necks. They can quickly insert the plug tips when hazardous noise starts again.
Some people find the pressure from the bands uncomfortable.
Not all canal caps have tips that adequately block all types of noise. Generally, the canal caps tips that resemble stand-alone earplugs seem to block the most noise. Earmuffs Earmuffs come in many models designed to fit most people. They work to block out noise by completely covering the outer ear. Some muffs also include electronic components to help users communicate or to block impulsive noises.