how to install muffiler hanger donuts

[plump]

I have tried a lot of thing to try to get them on any one know how?
they look like this http://www.ecstuning.com/BMW-E30-325...ust/ES2091444/

[rmdashrf]

I always slip them on the car mounts, then bend the muffler hanger, slide it on, then unbend it.

I don't know if it's right, but it works.