Arthur Kottas-Heldenberg
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Instruction
In-Hand Work with Arthur Kottas Heldenberg
A former chief rider at the Spanish Riding School of Vienna explains the benefits of unmounted training for your horse.
Theory
Arthur Kottas-Heldenberg: Measuring Degrees of Dressage Collection
The former First Chief Rider at the Spanish Riding School explains the scale for measuring degrees of dressage collection.