A cup with stoppers that makes nobody except me except "Lock Cup"

It is designed by a studio called "Efrat Gommeh Industrial Design" in Israel, and it is a cup that is kept in an office. In order to prevent someone other than me from using it arbitrarily, it has become a ridiculous specification that a stopper with a key is used, and very narrow mind behavior is possible.

Details are as below.
Efrat Gommeh Industrial Design
http://www.gommeh.com/

Click "tableware" from the above page and click on the image on the left side for details.

Like this


There are also surprising cups where sweets appeared from below when lifting up to think about drinking.


Also, it will be a problem if you do not know who drinks when you bring drinks to customers, so it's a pretty nice piece to write in Bon Festival in advance.


If any one can buy this, I want to buy ... ....