Do You Speak Equis? outlines a method of communication with the horse using the head collar and the bit in a way that is non-coercive and based on mutual understanding and reciprocal respect. The aim of the method is to develop a horse who carries himself with lightness from the outset of training. Topics covered include communicative action and receptive reaction; natural flexions; aggressive horses and how to work with them; interaction with head collar and finally, introducing the bit.