In any operation in which both hands and feet are used, a foot switch is a great solution to add your control. Free up your hands and allow yourself to preform other tasks while controlling the operation with your foot.
How to use XF-402R
Step one. Plug your device into the receptacle of XF-402R on the plug
Step two. Plug the 3 prong power cord of XF-402R into a 110 volt grounded outlet
Step three. XF-402R has maintained action, so you can press on the pedal to turn on your device and press the pedal again to turn it off.