If using debonder (or even acetone) there's no reason to have to scrub so hard that it damages the covering. If it's just a small bit of CA on the covering squirt a little onto a paper towel and lightly rub the affected area, it should come right up. But if the spill is large and you have a lot of CA on the covering you should soften it up before trying to wipe it up. Lay the affected area so that it's flat and drop debonder/acetone directly onto the CA. You want enough to saturate the area. Let this sit until the CA starts softening. Then use a paper towel to lighte wipe away the CA. When you do this be VERY careful that the debonder/acetone doesn't wick down into the hinges, as this will weaken the CA holding the hinge in place. If you can't get the affected area level enough to drop debonder on it you can squirt a generous amount on a paper towel and then hold that on the CA you are trying to remove.

Of course as it was said above, it's easier to not get excess CA in the first place. As Mike said above, use a small extension tip for your CA bottle so that you can better control the flow of CA, and where it's going.

Hope this helps

Ken