Vera me too. Once in a while I just let out a "yelp". Used to scare my husband but now he knows it that stabbing again. I just hate it at work.

I've been dealing with this same issue. It's excruciating! I swear it literally feels like someone has a voodoo doll of me and just keeps randomly poking me with a pin or knife anywhere they want to on my body. It happens several times a day and or night. I will scream out in pain sometimes especially if I was asleep.

Pins & needles is a symptom of fibromyalgia. Here's some others. Click on the image to enlarge.

I don't know what it is but I know what you mean! I had to stop and take a moment a few days ago as it felt like something was trying to prise off my kneecap! It did it a few times in the day but it really took my breath away 😯