If there is no spring and can be used with similar substrate and thickness of the same material by cutting, drilling, and then in the middle of the hinged lever and dieblock.

• 如果不不安纵弹簧，可以用与承印物不异类且不薄度不异的质料经裁切、钻孔、然后垫在搭钮杆和台面洋间。