A wager manipulation feature for a wagering game is provided. The device includes a rotatable cylinder having a hair removing unit provided with a plurality of detents configured to engage and disengage each other. If so, the system adds a new macrocommand to a user interface. The post includes at least one opening for fluid to flow from the central passage of the post to the separation chamber. A C-type shell is connected with the holder outside the bulb, wherein the opening fringe of the holder is formed with several slots to become several elastic pieces. A third phase of the anisotropic dry etch procedure selectively removes the silicon nitride layer and subsequently selectively removes the silicon rich, silicon oxide layer without damage to the now exposed conductive region, resulting in definition of the desired contact or via hole openings in the stack of insulator layers.