Do not use Tension Releazzzer if

any of the following are present:

Excessive or undesirable pain during use

Dizziness, vertigo, or lightheadedness

Pregnancy (Use at your own risk)

Os odontoideum

Bow Hunter's Syndrome

Taking blood thinners

Previous neck surgery

Chiari Malformation

Down's Syndrome

History of aneurysm or stroke

Vertebrobasilar Insufficiency (VBI)

Carotid Sinus Hypersensitivity (CSH)