Instructions unclear, dick stuck in magazine.
In all seriousness, I tried it and it didn’t work. This merely emulates the effect by reducing the direct sounds; the reflected sounds from walls and floors reduce some of the bassiness, but there is still the bone conductivity to deal with. Unless you can replace your skull bone by some soft, paddy material this is not going to work.
What is wrong with using the microphone on your laptop or smart phone to record yourself? Presumably you already watched this video on such a device.
