Striking exercise expander, door attachable, AbsoluteChampion

Multifunctional expander to be attached to a door. It is mounted between the door and the door frame, and when you close the door, the expander is safely attached, ready for use. The height can be easily adjusted by moving the fastener, which results in being able to do a wide array of exercises: striking, bending/straigthening, lifting arms/legs, expanding and contracting arms/legs, sit-ups, push-ups, crunches, and other exercises.

The main advantage of this expander is that it’s compact and can be used for a lot of different exercises under heavy loads. Now it will be hard to think of an excuse, even when you’re outside.
The easy assembling allows you to keep exercising even during business trips, vacation and traveling. You can exercise anytime and anywhere you want.