Barista Hustle "Autocomb" | A lot of money for little?

As part of my championship preparation, I bought a needle tool from Barista Hustle for distributing coffee grounds in the portafilter. The Auto Comb. Initially, I was motivated by the fact that it was used by last year's Barista Champion, Boram Um. This tool was developed with the goal of reducing the likelihood of channeling and boosting extraction. After an initial impression that the opposite was actually true, I conducted a small series of tests to back up my initial feeling with data:

To the dataset

You can find out how to interpret this data, whether the Auto Comb really works, and whether the €200 investment is really worth it in the current video: