openings on either end of the valve seal are closed water then flows only through a portion of the exit port aligned with the valve seal fig1 22 disclose an alternative attachment mechanism 400 that may be substituted for the pivot ball unit 76 shown in fig1 more specifically fig1 is a perspective view of the adjustment device 400 fig1 is an exploded view the adjustment device in fig1 fig1 is a side view of the adjustment device in fig1 showing a button biased outwardly in a locked position fig2 is a side sectional view of the adjustment device in fig1 along line 20 20 showing the button biased outwardly in the locked position fig2 is a side view of the assembled adjustment device in fig1 showing the button in an actuated position fig2 is a representative sectional view of the adjustment device in fig2 the attachment mechanism 400 of the current embodiment may be included along with similar features and or functions of previously mentioned embodiments of the showerhead system 10 unless otherwise stated referring to fig1 18 the adjustment device 400 may include a locking structure 404 and an attaching structure 406 coupled to the locking structure 404 the attaching structure 406 may also be coupled to a shower pipe the locking structure 404 may also be coupled to the showerhead system 10 referring again to fig1 the locking structure 404.