Tuning of

Tuning of perception by the instrumentality of invertoscope and pseudoscope. inverting spectacles, upside down googles, upside down glasses, upside down spectacles, Inverse glasses, Umkehrbrille (Prismenbrille), occhiali di inversione, 逆さま眼鏡 that’s all one device for tuning your perception. Pseudoscope have one name of all country.