Wiktionary
n. Boots designed to enable a person to hang upside-down for inversion therapy.
Wikipedia
Gravity boots are ankle supports designed to allow a person to hang upside down. Thanks to exposure in television dramas and movies in the 1980s, gravity boots became a common fitness tool in homes across the United States.
Today, gravity boots are used by the U.S. Army and have experienced a surge in popularity in 2006 with The Da Vinci Code author Dan Brown praising them as well. Several companies manufacture and market gravity boots under various trade names.
The purported benefits of gravity boots range from the relief of back pain and headaches to increased oxygen flow to the brain. Some people use gravity boots to add an extra challenge to workouts, doing inverted crunches or squats, while others such as Uri Geller use them to increase blood flow to the brain, in the belief that it facilitates thinking.
Usage examples of "gravity boots".
The rest of her was hanging upside down from a pair of gravity boots attached to the ceiling brace, elbows against her sides, arms folded across her chest.
He waved a pudgy little hand, and a parade of tiny insects suddenly appeared on the floor of the command area, marching single file past the elevated captain's chair and across the top of Riker's gravity boots.
As he sat beside the captain on the bridge, gratefully removing his gravity boots, he had a sudden vague recollection of meeting Q under very different circumstances, on a different ship with a different captain.
The canopy was open and the Haven was already landing before she could pull on her pressure suit and gravity boots.
Luckily, gravity boots had controls on the inside and were manipulated by pressure made by the toes—.
Luckily, gravity boots had controls on the inside and were manipulated by pressure made by the toes-Jil's paint had no effect on it the way it did on the touch-sensitive displays on other devices.