Here’s an example without dumbbells. For beginners who can’t do pull ups a chair is used to get to the top position after which you step of the chair and slowly

Here’s an example without dumbbells. For beginners who can’t do pull ups a chair is used to get to the top position after which you step of the chair and slowly lower the body. When at the bottom you use the chair again. After some weeks of this regimen there is enough strength built to do few regular pull ups.