The Posterior Powder Keg or Back Chain Blaster, a massive loadable vessel to blast your Posterior Chain.
Posterior chain? What is that?
*The Butt, gluteus minimus, gluteus medius, gluteus maximus
*Lower back muscles(erector spinae)
other posterior chain muscles
A great way to engage this chain is swings. Enter The Posterior Powder Keg, it weighs 25 lbs empty and can load up to approx 250 lbs with steel shot!! A consistent routine of swings will keep your posterior chain healthy and strong.