The design is great. The action is quick. The main problem is you must use it in warm temps. When the band gets cold, it will not push the band off. If it does come off the rat can wear it as a necklace, and they just push it off. If the band worked as good in cold weather as it does in warm weather, I would give it five stars.
Looks like a great idea, but nothing's been caught (though I've caught rats in my T-Rex traps). The rats in my neighborhood are so big I'm not sure how they'd get their neck down that little clear area, and I suspect they're too smart to stick their heads in there anyhow.
When I realized we had mice in our daylight basement, I went out and bought every design of mouse trap that our hardware store carried. This Nooski trap is the winning design of all the traps I bought. You can forget the old classic wooden platform with spring bar. I had seven set. Didn’t catch one mouse and the food lures had all been eaten! I have ONE Nooski trap and it has caught 5 mice!! Food lure still intact in all cases. The electric shock trap (expensive) hasn’t caught one mouse. Have had some success with the plastic ‘kill vault’: 3 mice gone.
For ease of use and cleaner execution, the Nooski is the winning better mouse trap design!!