A leader cloth for pulling and installing a belt body onto rolls in a paper machine able to pass between rolls with a small clearance and capable of preventing sag or deflection. As a result, the optical spot has a radius comparable with the track pitch, and the data written on neighboring tracks appear in the target track signal in the form of inter-track interference. Each barrel may include two or more contacts for receiving and transmitting DC IN+ electrical signals. The circuitry and protocol required to couple any one of the boards on the backplane to the serial bus master without modifying the existing serial bus protocol, without adding additional signals, and without affecting the throughput rate of the serial bus is described. The strain relieve element grips through a cross wall aligned perpendicular to the axis of the sleeve body and furnished in the pipe like body and the strain relieve element is secured against pulling back with a thickening on the side of the cross wall directed toward the front end of the sleeve body. The compositions provide improved sensory appeal, and comparable reduction in volatile sulfur compounds and antibacterial activity to advanced formula toothpaste formulations.