
From nature, the horse is used to walk in a herd:
- The leading mare walks in front and decides the direction of the entire group.
- The stallion walks behind and decides on the tempo.
- Additionally, the horse reacts to the horses that walk to his left and right.
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Hindquarter-in is already mentioned by Salomon de la Broue (1600) and François Robichon de la Guérinière (1733). Both gentlemen had some doubts about this exercise.

Guérinière states that the horse, with its head next to the wall, will move more automatically forward-sideward than move between the riders’ aids. When the wall is then removed, the horse will not respond as well because the horse is used to the support the wall provided.
De la Broue has the same opinion and recommend the hindquarter-in only for horses that are heavy in the hand, but in a way that there is always 1.5 meter between the horse and the wall. Both gentlemen recommended the renvers rather than hindquarter-in.