>>I can't attach anything (even temporarily) to the door so
>>hope there are options using just dumbbells or body weight.
>
>The door attatchment used with the bands/tubing doesn't
>actually ATTACH to the door and won't leave any marks or holes
>or anything. It's just something that attaches to your tubing
>and then you just place it at the top of the door way and
>close the door on it. It keeps the tubing in place for the
>exercises. You can also put it lower to do different exercises
>if you wanted but for a sub for pull ups, you want it up high.
>
>
>HTH.
Do you have a pic of this? It is hard for me to visualize how it doesn't really attach but is still strong enough to do an exercise. You must still have your feet on the ground.