1) it is necessary to choose the appropriate size of the hammer,
2) create a hole with an awl,
3) insert the part of the snap with a spike through the created hole and put on the opposite part of the snap,
4) place the pliers on the buttonhole prepared in this way so that the hammer points to the buttonhole with the spike,
5) press firmly so that the spike spreads,
6) on the opposite side, we proceed in the same way, only we choose a different part.