It consists of numerous variations on a single theme, designed to be played in different parts of the bow and with various rhythmic patterns to build muscle memory and control.
Otakar Ševčík: Mastering the Op. 5 and the Bowing Technique
If you are a teacher recommending a to your students, here is a 10-week curriculum:
Technical focus (30 min)
Day D — Shifts & positions: