How did you mount your number plates on a winch bumper?

[Crawler80]

I have an issues were my number plates keep falling of my winch bumper. I have tried all kinds of methods other than welding brackets for them onto the bumper which I don't want to do. Does anyone have suggestions?

 

[Offroadford]

This one should do the trick but is bloody expensive https://www.amazon.co.uk/dp/B00S8I4JD0?linkCode=gs2&tag=rdfg-21