Catalogue immersion

I am getting innundated with catalogues. This happens every holiday season. My mailbox was so full of catalogues that the mail man had to find new, and inventive ways to get them all in there. ( I have one of those "stand up" ones common to apartment living.

I will admit, I peruse the catalogues. I find some interesting idea's, and even a few things to order. ( I got a great educational toy catalogue).
I was looking through the "sharper image" one, and something caught my eye.
A breathalyzer.

Now, lets think about this. We all know when we've had too much to drink, and can't drive, right? It takes very little alcohol to get there. Spending loads of cash on a breathalyzer is foolish.
And can you see explaining to a cop that on "your" breathalyzer you were legal, but on his, your not? I am sure those things need calibration of some sort.
And the truly drunk? Will blow on the thing, laugh at it, throw it, and drive, anyhow.

Where this might come in handy, is at bars. I am sure they make disposable straws to blow into, so that no one is putting their mouth on it after someone else. The bartender, when concerned that he/she needs to cut someone off, can administer the breathalyzer, and act accordingly. That makes sense to me. But not your own personal use breathalyzer. It would be funny as hell to give to certain people for Christmas though, just to see the look of shock and confusion on their faces. . .