An occlusion reduction system is described. The messages are displayed in the client computer based on preference settings that may be configured by end-users. The receiver is activated in accordance with the schedule. This construction allows the degree of ground reaction force attenuation and energy absorption properties of a shoe to be dually controlled to meet the specific demands of the activity for which the footwear is intended to be used. 25 in2, and impacting the sheet at a velocity of about 50 fts. According to the invention the Yankee dryer has a one-piece central shaft with a first and a second connecting flange to join the central shaft to the end covers, where the diameter of the first connecting flange is smaller than the diameter of the opening in the second end cover so that the central shaft can be pushed through this opening into the Yankee cylinder.