Nowadays people still manually rivet the grommet of large poster cloth. This operation has many disadvantages: 

1. The eye button and cloth can not be connected tightly; 

2. The flinging of the eye button has crevasses that will fray the rope; 

3. The pressing plate easily get rusted. 

Meanwhile, this handy punched eye button is worked in low speed and heavy labor, which cost both much labor and time, even quality is bad