You have your hands full there,, one at time is the only way you,ll get the dog completely focused on you, but introduce the rag at home so she really motivated by it, before bringing her out to the field, hunting is just a further extension of play, food treats are ok at the start but the way to a lurcher's heart is, play, lurcher are so athletic they can play all day with each other, you just need to focus that,, on you,,