1.   Follow up with a commercial cat repellent, to cover any smells left behind.

2.   Follow up with a commercial cat repellent, to cover any smells that may have been left behind.

3.   Follow up with a commercial cat repellent, to cover any smells that may remain.

4.   He took to smoking a pipe to try to cover the smell of rotting flesh.

5.   She sprayed the check with perfume, and finally hair spray, to cover the smell temporarily.

6.   Some guys were putting Vicks below their noses to hide or cover the smell.