Stomach training device has main body with upper and lower covers, four upper channels and an upper slide channel, four lower channels and a lower slide channel and spring in slide channels

摘要

The stomach training device has a main body (1), a pressure plate (4), a shaft (3), a rotary disc (6), an L-shaped connecting piece (5) and a pair of grips (2). Each grip has a first tube inserted into the main body and a second tube inserted into the first tube. The device has a main body with upper and lower covers, four upper channels and an upper slide channel, four lower channels and a lower slide channel and a spring in the slide channels.