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.
Recommend to read
A FUNCTION GENERATOR
I want to share my version of the functional generator frequency sweep for the home lab. Consuming from the electrical power source 50 mA, is a compact, fairly simple to manufacture, the...
TANDEM – A BICYCLE BUILT FOR TWO
For many years I am a regular subscriber of "M-A" and find in it many interesting and necessary. I hope that my experience will be useful to other readers: I would like to share my...
