A
"door anchor" is a device that allows you to attach exercise equipment, such as resistance bands or suspension trainers, to a door. It helps you exercise and strengthen your muscles at home without needing a dedicated gym space.
Full definition
A black plastic ball attached to the resistance band's
door anchor can unexpectedly release and strike the user, posing an injury hazard to consumers.
 The pack includes
a door anchor, soft grip handles, exercise chart, carrying bag, ankle strap, and starter guide.
These resistance bands from Black Mountain on Amazon comes with
a door anchor to make it even more versatile and convenient for home exercisers.
Also included are the foam - cushioned hand grips for comfort and secure grip and
a door anchor to add more versatility to your workout.
Also included are soft - cushioned handles or ankle straps that can be attached to
the door anchor, carrying case, and a starter guide for beginners.
The set includes accessories such as cushioned handles, ankle straps,
a door anchor, the storage bag, as well as a workout DVD to provide various workouts and free access to LiveExercise for 3 months.
Anchor the band to a pole or to a door using
a door anchor accessory.