I remember there was an earlier thread this month about how a lot of liner locks are weak but I found a video of a Fox knife with a liner lock that was put to some pretty heavy abuse without disengaging .
[video=youtube;XgBDzJH9Gi8]http://www.youtube.com/watch?v=XgBDzJH9Gi8[/video]
[video=youtube;tseApUr2CUY]http://www.youtube.com/watch?v=tseApUr2CUY&feature=results_video&playnext=1&list=PL3CF10FB27C4A7501[/video]
[video=youtube;XgBDzJH9Gi8]http://www.youtube.com/watch?v=XgBDzJH9Gi8[/video]
[video=youtube;tseApUr2CUY]http://www.youtube.com/watch?v=tseApUr2CUY&feature=results_video&playnext=1&list=PL3CF10FB27C4A7501[/video]