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2. Earmuffs - Wikipedia

   en.wikipedia.org/wiki/Earmuffs

   Two people wearing behind-the-neck earmuffs. Thermal earmuffs are worn for protection from the cold. Because the ears extend from the sides of the head to gather sound waves, they have a high skin surface-area-to-volume ratio, and very little muscle tissue, causing them to be one of the first body parts to become uncomfortably cold as temperatures drop.

3. The 15 Best Earmuffs to Elevate Your Winter Accessory ... - AOL

   www.aol.com/lifestyle/13-best-earmuffs-winter...

   $340.00 at Mytheresa. Down Behind-the-Head Earmuffs. If you prefer a behind-the-head fit, try a pair of 180s earmuffs. The popular winter accessory brand offers its foldable favorite in numerous ...

4. Wrestling headgear - Wikipedia

   en.wikipedia.org/wiki/Wrestling_headgear

   The main purpose of headgear is to protect the ears of the wrestler, not really the head as the name implies. Thus, wrestling headgear equipment are also simply called ear guards or ear protectors. The headgear often covers the ears of the wearer, has two straps that go behind the head, two that go over the front and top part of the head, and ...

5. Hearing protection device - Wikipedia

   en.wikipedia.org/wiki/Hearing_protection_device

   Earmuff style hearing protection devices are designed to fit over the outer ear, or pinna. Earmuff HPDs typically consist of two ear cups and a head band. Ear cups are usually lined with a sound-absorbing material, such as foam. The cups should be fit so that the center of the ear canal aligns with the ear canal opening. [1]

6. Shooting range - Wikipedia

   en.wikipedia.org/wiki/Shooting_range

   A shooting range, firing range, gun range or shooting ground is a specialized facility, venue, or field designed specifically for firearm usage qualifications, training, practice, or competitions. Some shooting ranges are operated by military or law enforcement agencies, though the majority of ranges are privately owned by civilians and ...

7. Earplug - Wikipedia

   en.wikipedia.org/wiki/Earplug

   Using both ear muffs (whether passive or active) and earplugs simultaneously results in maximum protection, but the efficacy of such combined protection relative to preventing permanent ear damage is inconclusive, with evidence indicating that a combined noise reduction ratio (NRR) of only 36 dB (C-weighted) is the maximum possible using ear ...