Meet the Suples Spartan Bar: an interesting exercise tool that makes your regular bodyweight workouts more challenging. It supports 360-degree rotation to let you perform pushups and other moves from any angle. The Spartan Bar works muscles in your arms, back, and core.
More gadgets like this: here
The Spartan Bar has a commercial construction. Not cheap though.
**Disclaimer: Our posts may feature aff links. As an Amazon Associate, we earn from qualifying purchases. Please read our disclaimer on how we fund this site.