Mind mentioning how you found it? Ive still been unsuccessful up until this point
So I read up on the mega thread and dozens of threads of people looking for their sweetspots and they all always said middle neck area or side of neck. Those didn't work for me and after a lot of trial and error I found the spots that worked best for me: I first tilted my chin up and stuck the front of my neck out. Then I felt around my neck and found that on either side of my adams apple, I could feel the pulse really strongly so i pressed using my index and middle fingers (don't use thumb because it has its own pulse so you can mistake it for the coratid's pulse) and i felt a tingling/buzzing after a couple seconds. I'll see if I can send a pic or something.
Image KWbes5q-Yh-Ze5 hosted in imgbb.com
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Here's the image. It's not a specific spot but a general vertical area. The blue is my adams apple and the red is the arteries/sweet spot. This is what worked for me but I know its different from person to person. I hope it can of help to all future CTBers.