The present invention relates to a chain saw having a chain bar portion extending forwardly from a main body. The method comprises receiving inputs from users; analyzing at least said received inputs in order to recognize actual input components; matching said actual input components to a set of predefined input components; modifying the story timeline in accordance with results of said matching; and generating the performance in accordance with the modified story timeline. A funds transfer request is sent to the buyer financial institution, where the funds transfer request corresponds to a total value of the accepted pre-fund authorization requests. The training device comprises a weighted ground level base plate that supports the X-Y rotation device.