If you want to twist the doubled wire, use the shown ways. Depending on the thickness of the wire, select the appropriate option: for a slim fit and a makeshift reamer with sewing coil or hand vise watchmaker, and for thicker hand drill.
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ROCKET HAWK
Models of this type have many times built by the guys from the mug space modeling of station of young technicians of the city of Elektrostal. They especially appreciate its "Hawk" because...
NO MATTER WHAT TROUBLES
If you have Minnie children - protect them from an accident by a gas or electric stove protective "fence" of wire or duraluminium corners.
