Recently I was trying to thread my sewing machine and could not for the life of me get the needled threaded. Cut the thread straight...nope, cut it at an angle....nope....do the previous two steps with a bit of spittle...nope... Add extra lighting...nope...use a magnifying glass on previous steps ....nope. Frustration ....yes!
Then it dawned on me; remove the needle thread it, and put it back into the machine. Worked like a champ first try!
The key is to keep the needle and thread in the same relative position to the machine when you thread and replace the needle.
If I can help one person with this post I will consider my day well spent.
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