Amazing stuff, pull to straighten.
It's the only hooking I use.
I found Mouthtrap to be a bit springy/wirey and sometimes came back not straight, so needed to be steamed. I only used a few times before I found the one above.
Mine have lasted 8-9 years in all weathers (I did loose one when I damaged the gasket during a battery change, my fault tbh)
As @elmoputney says best alarms I've had.
So simple that nothing can really to go wrong with them.
O!
Damn, I've had a quick look and see any, but I'm mot signing up to Facepack.
Maybe your OP was plagued with predicted text and just twisted my melon