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[SonicBoom]

Hey fellow Demons,

We all know how great onaho's can be, you wouldn't be reading this if you didn't.  But using a warmed onaho just makes the experience much more realistic and enjoyable.

I have used different methods to get my onaho warm in the past, but the one I turn to now is using the USB Onaho Warmer by Rends available from TD here: https://www.toydemon.com/usb-onahole-warmer

You can find many reviews on the product page and some mentions here as well.  In the year or so I have been using it I have not had any problems with melting or over-heating, but YMMV.

There is one issue I have had with both of the Onaho Warmers I own, the factory USB cable eventually disconnecting INSIDE the warmer, leaving the warmer non-functional.  Being a technician by trade and a fairly handy guy I decided to fix the warmer once and for all.


Things you will need:

1) Rends Onaho Warmer (Duh!)

2) Quality USB charging cable - Try to find one that's fairly thin(1/8" or so).  Only the USB end needs to be functional, so this may be a good use for one of your old cables that the device-end doesn't make a good connection any more.  I used a cable with a braided jacket.

3) Wire cutters/strippers

4) Soldering Iron and solder - Luckily, many of you already have a soldering iron used to repair tears in your onaho's.  Try and get thin gauge solder, anything should work but thin may be easier to work with.

5) Electrical tape

6) Sharp knife

I realize this fix wouldn't be cost effective for some of you, as the tools needed would cost much more than replacing the warmer with a new one.  But I'm sure many of you may have what you need already, with the possible exception of the solder.  And almost everyone should have a bad charging cable laying around somewhere.

Step by step intructions:

1) Look towards the cable end of your USB warmer, do you see a seem line?  You will need to cut through this line using a knife.  The easiest way to do this for me was to lay a folded towel on your work surface, hold the warmer with your off hand and place the knife blade on the seem.  Now while putting downward pressure with the knife, roll the warmer slowly so the blade bites into the seem.  Repeat until you are all the way through.

I won't lie, this step is really tedious and took a while to complete.  You could probably use a fine saw here also, but you need to be careful when getting close to getting through.  There is a warming grid under the seem that can be damaged during this process, so go slow towards the end and be careful.

Once you have cut through the seem, this is what you see:
 

2) Now remove the warming grid from the tube and the original cable from the tube end cap.  This should leave you with 4 parts, the 2 parts of the warmer tube, the warming grid and the original cable.  You can toss the original cable.

3) Get your quality USB charging cable and cut off the micro USB or Lightning connector end.  Leave enough length on the USB end to make it convenient to use while warming your onaho.  Carefully push the cut end of your USB cable through the warmer end cap like this:
 

4) Strip off the outer jacket of the cut end of the USB cable.  Then cut off outer shielding(stranded silver wires) and any nylon stands you see.  Expose wiring from inside foil wrapper.  Twist the outer shielding wire strands together.  Find and save thicker, red wire.  You should have only 2 wires left, the thicker red wire and the silver stranded wire twisted together.


5) Tie an over hand knot in USB cable an inch from stranded wire ends.  Solder those 2 wires to the warming grid.  It should look like this:
 

 6) Carefully place warming grid back into warmer tube.  Pull end cap over the over hand knot.
 

7) While holding tube ends together, use electrical tape to join the ends like this:
 


You're done!  This mod will be much more durable and should be trouble free for a long time, or at least until the warming grid wears out.  And if it gets disconnected again, the fix is much easier now since the hard work is already done.

If you have any questions ask here or message me.

SB