Survival and Emergency Preparedness

Anyone seen this before?

https://www.concealedcarry.com/product/glock-e-trainer/

I have seen it advertised, but never used one.

It looked kinda interesting. It wouldn't help with one of those laser cartridges though. And really, not much different than just pulling the trigger and then simulating the dry fire afterwards. But it looked interesting enough to toss a post up