

Define “work”, do they actually zap you, vibrate, beep? Absolutely! Oh, did mean if you ask it to do something it will do it reliably and when you asked it to? Nope!
I used one for a bit as a silent alarm to take medication in the middle of the night and not wake up my wife. Did that alarm ever consistently go off? Nope! The app you use to interact with it is hot garbage and feels like it was contracted out to get it to “it technically works” and just kept getting crap piled on.

When we take our dogs to my parents once they realize where we are they get all excited and start staring out the windshield as if to say “Go faster!”
Once we get there we open the car door and they run inside (because they know they’re gonna get a treat)
My parents spoil both of them and get all the treats they want and my mom will make stuff like beef or chicken to add to their kibble as a topper.
How they’re not a billion pounds each each time they leave I’ll never know
Evidence:
That big bed my parents specifically got for our greyhound because he’s so big and likes to stretch out, but his old bones don’t really let him lay on hard floor anymore