pinhead52 on "Gottlieb lockdown bar help"
Tuesday 2 January 2018 at 19:45
In one picture I can sort of see a metal tab bent up, suggesting the locking mech is fused in place/wont slide back and forth. I had this on a game once, took the whole cab face off 
In this case... break glass, take off the top bar and li...
In this case... break glass, take off the top bar and li...Source: http://pinside.com/pinball/forum/topic/gottlieb-lockdown-bar-help#post-4154822