7.He was roused by Professor Sprout, who was thundering past followed by Neville and half a dozen others, all of them wearing earmuffs and carrying what appeared to be large potted plants.
8.The technique has been referred to as " chemical earmuffs, " but since the drug only blocks some of the sound receptors in the ear, the mice's brains still responded to sound normally, suggesting they could still hear just fine.
9.Finally, there is the headgear - Beanies and earmuffs that feature speakers included in the fabric using Bluetooth technology so we can listen to our favourite music or, in some cases, have a phone call using the in-built microphone.