When you have another chair other than the computer chair positioned near your computer. You can use a wooden chair as a cover up by placing drinks on it. And then when nobody is home, you swap out your computer chair with the wooden chair so that you don’t get any jizz stains on the computer chair while jacking off. If you accidently jizz on the wooden chair, it doesn’t leave a stain and you can clean it very easily.
All right! Nobody is home...I’m going to pull off the computer chair swap out and masturbate to some porn.