The present invention monitors the receipt of messages between two endpoints on established sequence session in accordance with a Reliable Messaging protocol for Web Services. The pad comprises a hard polishing pad having a polishing surface and an attachment surface opposite the polishing surface, the attachment surface comprising a border comprising an adhesive, the border surrounding a cavity, the cavity being sized and shaped to receive a soft polishing pad. When the BFD session fails, the priority of the master router is subsequently lowered and a backup router is activated. Many hair products can be sticky or cause dry skin on a user’s hands, and in some cases, a user’s skin may become irritated by a hair product that may not irritate the user’s scalp. A light source is coupled to the base and positioned for illuminating the target surface through the actuator portion. The devices include an automated compression assembly with an electric drive motor and a pusher assembly with an electric motor, preferably each electric motor is a servo motor.