To obtain custom-molded earplugs, a professional will take an impression of the ear canal with a special equipment. This impression is used to create a mold, which is then used to create the plug for the ears. The result is a comfortable and effective earplug that provides a high level of noise reduction and can be worn for long periods of time without causing discomfort. Custom molded ear plugs are often used in situations where noise exposure is frequent, such as in industrial or construction settings, as well as for recreational activities such as motorcycle shooting. They can also be used to help people with sleep problems by blocking out the noise when not desired.