Guard Knob / knob

Drunk driving has been a serious topic in recent years, as well as problems.
There are many people regardless of regulations, and take speculate attitude to do this unforgivable behavior.

“Guard Knob” is design to solve these series of problems.
It designed a car knob with the detect the data of nervus arasympatheticus .

When the alcohol concentration in the users body reach a certain goal, this knob can detect the abnormal data by users fingers and palms.
Then the Knob will make vehicle engine off and effectively prevent drunk driving .