Replace the knob on your car radio for $.01

Replace the knob on your car radio for $.01
Conceived and photographed at red lights on the way to work. The knob was missing on my car radio when I inherited this car, and it is really annoying. When I scrapped an old CD player, its knob popped off while I was carting it around in the car. I got this idea when the knob rolled under my feet.

You will need:
A radio missing a knob
A knob from another useless device
It is best if the knob has a slot in it
A penny

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Step 1Insert Penny into knob

Insert Penny into knob
If your knob does not have a slot in its post, you could possibly create one, or maybe use an epoxy.

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12 comments
May 9, 2008. 11:51 PMRishnai says:
That's a big volume knob.
Jul 6, 2008. 4:06 PMscottredd says:
The bigger the knob, the bigger the boom. And, I bet it goes all the way to eleven! :)
Jul 7, 2008. 8:04 AMDerin says:
all blaupunkt radios have knobs that can be turned to infinity
Jun 20, 2011. 9:39 PMProject D says:
Mine turns to infinity +1. The tuning knob divides by zero and produces a rational number. Such is Blaupunkt. And yet, the damn thing still keeps killing lights in the faceplate!
Jun 20, 2011. 9:38 PMProject D says:
I've actually frequently used a penny alone in the past, never thought of using it as an intermediary for a different kind of knob. Well done!
Sep 25, 2008. 9:11 PMnaejivel says:
The MAC-Daddy of all radio knobs! I love it and the simple ingenuity of adding it on with a penny. The penny is probably less expensive than any other device used to "convert" the knob!
Jun 4, 2008. 1:41 PMchevyboy666 says:
it's big ghetto and ugly but he didn't say it would be oem and it's either this or no volume i like it
Oct 27, 2007. 6:24 PMDarkshot says:
ok..how in the world did you lose your knob to your car sterio? very cool trick thou...
Apr 26, 2008. 12:40 AMnature223 says:
they get cracks as the plastic ages,then it falls off and rolls under a seat when you hit a bump in the road
Jul 29, 2007. 6:13 AMhack124x768 says:
What is the purpose of the penny? I would think it would be a cheap washer spacer, whatever), but I doubt you have a drill in your car.
Jul 27, 2007. 11:53 PMPR22 says:
wow. this is pretty ghetto

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Well, I am mostly a family man, which means I use "hanging out with the family" as an excuse to get less of my projects started, and a fraction of the started ones finished. I try to be passionate ...
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