A more extreme version of Pinch and Roll. When pinching and rolling isn't enough to stop the itch, instead you dig the nails of your index and/or middle fingers deep into the flesh of your scrotum, all the while pinching with your thumb in the desired location to provide a supporting surface.

Doing so may cause both a great deal of satisfaction (from the satiated itch) and pain (from the intense clawing).

It might, in fact, leave your ballsack incredibly sensitive and tingly. It is recommended to play with your balls after this, as you will feel incredibly good and make you instantly hard which will make you wanna jerk off.
Bob's balls were unusually itchier than usual, so he used the pinch and dig method to soothe his monstrous itch. He ended up with an extremely tingly ballsack and got a huge boner henceforth.
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