The present invention provides a front panel fitting apparatus capable of fitting and removing a front panel quickly and easily with a small force. Implementations may include a body portion defining an internal cavity for receiving a golf club head, a first flap disposed on the body portion and including a first magnetic fastener, and a second flap disposed on the body portion and including a second magnetic fastener. The signal processing section includes plurality of processors. The pump arrangement includes at least one pump, which can be controlled or adjusted with regard to output pressure andor with regard to output flow rate. They are used as therapeutic agents for various diseases concerning \u03b14 integrin. In an alternative, the noise floor may be updated based on sampled receive strength indications and the reverse link loading value.