To secure the various parts often used connection, using the so-called lock nuts. However, you can do without it. For this it is necessary to saw through the nut, as shown, and tightening it slightly to hit with a hammer.
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PLIERS WITH SPRING
Work with pliers, side cutters or other similar tools will be significantly easier if the plastic knob to insert a spring made of cut steel wire with a length of about 150 mm.
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