What kind of fitness equipment is this? What are the benefits of exercising with it? Will it affect growth and development? What's the impact? If you want to grow taller, don't use it to fake it.
I can't see this photo clearly. Guess whether to lift it or push it forward. If you want to know how it moves, you can know what it does.
Don't worry if you don't practice hard. It is wrong to say that lifting weights oppresses the spine. Weightlifters choose short people to practice, not short people. Proper stimulation of the spine and bones helps to grow taller.