Corded Earplugs – two earplugs are connected by a cord making it easier for you to keep track of them. Earplug Dispenser – can hold a lot of earplugs and is perfect for those working with a large group or someone who loses their ear plugs a lot. Earmuffs – shaped like headphones, these can cancel out more sounds than regular earplugs and can also be placed over regular earplugs.