Stop your lockscreen from sliding over to camera unintentionally, or prevent mischievous kids from taking butt pics or drunk girls taking.... you get the idea.  PROTECT UR ROLL. For i0s 14-16 Jailbreaks ROOTLESS.  (the other package in this repo works on rootful jailbreaks).

I made a fresh build so should work like a charm.  There's an added button for removing the Lock Screen quick action button as well.