Translated from Russian in 2020 by Oleg Belyaev (ed.), Irina Khomchenkova, Julia Sinitsyna and Vadim Dyachkov.
ремень от узды под брюхо к подпруге, не позволяющий лошади закидывать голову
a belt that passes from the bridle under the belly to the girth, which doesn’t allow the horse to throw its head back