these slider are design to do a combination of operation all at once, example, if you move the slider one time it may do 2 or 3 operation all at once. Combo-sliders = combination of operation.
works only for ZBrush-4R5 fast way to polygroup hard to group parts. the image below took about 30 seconds to polygroup and extrude using the Combo-sliders Plugin. i.imgur.com/7OkHE.png