
How, you ask? Well, simply by..

And as for the technical details..

Ta-daaa. The greatest Japanese invention available for 105 yen, tax included.

Caution! Sticking the seal in places other than toilet bowl might lead to catastrophic results.
Do not mess with male mentality.
Why is this fantastic item not yet being utilized in Japanese porn industry remains a mistery. Then again, it probably is.


