[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: hearing sudden distortion effect

I introduce my students to the kwik’n’dirty ear plugs: two pieces of kleenex, about 2 x 3 cm, rolled into a ball, drenched in saliva — wet them in your mouth for 10 seconds, and then fit firmly and completely in each ear. Seal well.


On 2016, Oct 2, at 2:04 AM, Sofia Dahl <dr.sofia.dahl@xxxxxxxxx> wrote:

. . . just two weeks ago, I went to an event where cannons were fired and didn't have plugs with me