20 The Winning Factor F ter how nice someone may be, or how much a person says he or she believes in you, you will not trust that person if you don't feel he or she is knowledgeable or competent enough about the area you are engaged in to give that kind of reassurance. We cover this in much more detail in Chapter 4. Encourage and Use Imagery Chapter 5 outlines one of the most powerful tools great coaches use: the language of imagery to create clear pictures for their per- formers. Imagery is the language of performance. People can't do things they can't imagine. The potential for development here is huge. Uncover and Work Through Blocks