Bort knows all things Simpsons (first 9 seasons anyways)
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Surgical saw you say, related to this surgical 2x4?
I think the active ingredients are sauteed tomatoes and onions,
You could use some elbow grease or mineral oil to prevent or slow down patina.
Use Renaissance Wax.
Chris at Clickspring just finished his made-from-scratch table clock. The final video (at 8:51 min) shows a polish that according to the manufacturer contains carnauba wax. He used it on brass but copper should be similar.
That would be my first try. Use this or any other polish plus hard carnauba wax like it is used to protect car paints. Very easy to use. If it wears off just polish that area again and re-apply the wax.
Clear coat would be a second way (and may be even more robust) but I just have not seen good results with it. I imagine that it requires some skills to apply the paint evenly and I guess you have to do the complete paint job again when it wears off partially.
I have a leftover bottle of that amazing Liquid Glass® coating from my sportscar days. I wonder if it works on metal.
leave it in a sealed package 
or use lemon juice
Tooth brush and some mld acid
Funny but I’m sort of doing this to my stuff to maintain its brand new look. This is the reason why I can’t buy anything in singles :person_facepalming: Maybe I need too see a psychiatrist :weary:
It’s the vinegar - yes. I don’t know about the salt. I tried comparing ketchup to plain vinegar for cleaning patina off copper pennies. The ketchup worked a little on some of the pennies, on others didn’t work at all, but didn’t work very well on any of them. The plain distilled vinegar had the patina gone on all the pennies I tried it on.
My 2 cents about the Lumintop copper Tool: forget it… you can´t keep this shiny. When mine arrived it was shrink-wrapped in a foil but was already slightly tarnished inside. Tried the “ketchup” method over night and yes, it was a bit more shiny afterwards, but also more “red”… used a mixture of vinegar and salt to further polish the light. Worked quite well. Problem is: after 10-14 days the light has already compeletely lost it´s shiny finish and is completely dark again. if you want to keep this shiny it´s a full time job or you need to put a clear coating over it…
K.
Really appreciate your input Kusie as I reckon myself going through exact same situation as you’ve described. I won’t have a problem doing it once or twice a month but I’m more concerned with the penny-smell hand on the second week of use and vinegar/water getting into the flashlight. Does the penny-smell that strong or bother you at all? Do you leave the flashlight on vinegar/salt overnight?
when I clean copper (we have some pans and a table) I use vinegar and salt, it works like a charm.
So ketchup should to the trick as well and smell better in the process 
like that gold plating idea
the only way to get it permanently shiny
is to add something like polisch wax or copper gold electroplating,
which protects the bare copper, as bare copper will always get a patina when you touched it
you may ask a big jewlery shop if they have electroplating service and a red gold electrolyte on stock
P.S.
there ise also so called nano polish for your car that should work well,
they used to show it in teleshopping
with bare paint and acid vs the side they used the nanoseal polish
and it works
one side it ruins the paint other is perfectly protected
The penny smell is a by product of the copper. Not sure if you know or not but copper is a very good antibacterial! Handle those copper lights in the winter folks!
I have always wanted to hard chrome a light, have had pistols hard chromed before and it is an incredible finish!
Hi,
the typical copper smell doesn´t bother me at all, but i´m a sucker for “bling bling” glossy, shiny metal like stainless steel, silver, gold, shiny copper. I thought the light had a coating of some kind to prevent the oxidation, but it seems it doesn´t.
I removed the clip and battery from the light and put it into a plastic bag together with a good splat of heinz ketchup and also added a dash of vinegar and some salt and left it in the bag over night (6 hours) . When I took it out and rinsed it off the next morning I saw that it was defintely more shiny, but not as nearly as glossy as in the pictures like THIS.
So I used a bit of pure vinegar with some salt dissolved to further polish the light with a sponge. Didn´t help much getting it more shiny though. So I decided to give up and see what happens.
K.
lemon juice, vinegar, salt, ketchup will all etch the patina off copper but it comes out with many micropits, will look more pink and dull, than the original high shine finish
you will still need to polish or buff the copper to get it to look like new
invest in a dremmel and polishing compound, or a jewelers cloth such as sunshine cloth
but, if you do not want patina, and you want copper, you will need to put a coat of lacquer or wax over the shiny copper
or, consider a Copper Astrolux A01, as it comes precoated
copper kills germs, I have reprogrammed my initial disgust reaction, and now consider the smell “sanitary”
Your copper light is completely disinfecting itself every couple of hours.
Read more about the Antibacterial Properties of Copper
But if you want a light that stays shiny, buy the TiTaniumTool instead
or save yourself a handful of work by getting the titanium version, if you dont mind the magnetic tailcap and twisty operation
Personally, I hate the smell of silver polish,
so I started using baking soda maybe it is also called baking powder for those oversees.
It is very fine especially if you make a paste mixed with water so it not as abrasive.
I just love the copper finish without the patina.
Yea I got 6 Ti too
Vinegar+Salt is doing really good for me.