Thus a very small, inexpensive adjustment device may be achieved that is easily adjusted and reliably retains a window shade cord after {TAIL ~ adjustment} to allow quick and easy window shade leveling by {HEAD ~ both installer} and homeowner, without the cumbersome and inaccurate tying of the window shade cord 
Thus a very small , inexpensive adjustment device may be achieved that is easily adjusted and reliably retains a window shade cord after { TAIL ~ adjustment } to allow quick and easy window shade leveling by { HEAD ~ both installer } and homeowner , without the cumbersome and inaccurate tying of the window shade cord
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