Main features:

- Security firm bold metal buckle, durable and safe. 
- End of the chain can be hanged the weight, you can increase the load gradually to strengthen the shoulder and chest muscles effectively. 
- Precise sewing nylon straps head harness, extra wide support for adding comfort. 
- Essential tool for neck developing exercise, superior saddle stitching throughout. 
- Fully adjustable strap, you can change the size as you need. 
- Head harness conditions the neck and upper back muscle. 
- Recommended for all athletes, specifically designed those in contact sports.