"A click is not a cue, however, it merely bridges the cue with the desired behaviour. So once a behaviour is learned, it does not require the click any more, merely the cue. The reward is phased out in the learning process, so that a food reward is…"
"I find the problem with the French link is that the construction of it means there are quite large links close to the insides of the upper lips. For this reason, I prefer a KK or Herm Sprenger with a small lozenge and discreet links."