Teeter v. i. & t. : To move up and down on the ends of a balanced plank, or the like, as children do for sport; to seesaw; to titter; to titter-totter.

Example:
Is Harris Teeter's logo supposed to look like a Harry the happy dragon head?

Taxonomy
Inversion Table, Teeter Hang Ups, inversion therapy, inversion, spine, cycles, pain, back surgery, product, back pain, competitor, disc, inversion equipment, temporary relief, back pain sufferers, relieve back pain, Seen On TV, outperformed.

Defination from the web:
... Teeter Hang Ups® allows you to take your back health into your own hands with an Inversion Table that is tested, durable, and easy-to-use. ... I did quite a lot of research, and decided on the Teeter. ...