I actually read all this topic while fixing the parents computer.I'm surprised that this thread now has 200 posts.
Half this topic is people commenting "keep the booger finger off the trigger", "I don't need a safety", "perfection", a slew of other stupid comments.
The device is to aid in no look holstering, or just general safe holstering.
If people would read they would know that this is not an actual safety as it disengages as you take your finger off it.
Is day the ratio of uninformed comments is 1-5, maybe 10 if the smart ones were talking.
I'm on Tapatalk so I have 20 pages to go through.
It's ingenious for sure and that first line of safe reholstering because you don't get a second chance otherwise.
But if I did want to add a safety for any reason I'd get the manual safety kit.
"But why get a Glock if your just going to add an external safety?"
Because I like how they shoot, feel and how light they are compared to some other comparable guns that IMO have a terrible grip texture, grip size, takedown.
I can see the use for this, the others are obviously uninformed because half of this topic is stupid comments and one like this pointing out what its use is for.