Spartan HelmetBuild your spartan grip strength with this super cool spartan helmet! You can grip it like a hub, shallow vertical, key pinch or find your own creative ways to grab it! And when you're not using it for training, it makes for a damn epic desk ornament! The included eyebolt can be removed. Comes in 3" and 4" diameters. By default, the helmet comes in simple minimalistic form to allow a comfortable grip. However, you may request additional features or