yo
Transverse fricitions is a tretament used by physios to henerally aid and accelerate the inflammatory process, thus enebaling the area to return to a normal state asap, reaching the remodeling phases as fast as possible.
It helps in realigning the lines of stress, and also provides a good scar tissue integrity within the damaged tendon.
Furthermore, trans frictions have been shown to increase the blood supply to the area, which will remove any excess harmful products from the area, aiding in reducing pain sensations.
Hope this info is enough.
take care