Fine bobbin threader advice please.

Bobbin Thread 101: Answers to Your Frequently Asked Questions

Small Wheel Bobbin Winder #259462 FOR SINGER 31, 44, 111W, 241 & 331K DIA 2-1/2

Fly Tying Bobbins 101: All You Need to Know

So Fine! #60 #534 Ferrari (Class 15, Dozen)

She's A Sewing Machine Mechanic: Bobbin Winder Clutch

How to Thread a Sewing Machine (with Pictures) - wikiHow

Recommendations for ta ceramic bobbin holder.

Tips for using specialty threads - APQS

The Ultima 110-volt automatic bobbin winder is a high-speed winding machine that works with all non-proprietary bobbins and all brands of domestic and industrial sewing machines. Works with A-style, M-style and L-style bobbins, type 15J and class 66 bobbins, Bernina #0115367000, Juki 270010 bobbins and many others. May NOT work for Husqvarna Viking specific bobbins.

Ultima Bobbin Winder – Automatic Electric Winder for All Sewing Bobbins – Includes 110 Volt Bobbin Winder, Thread Guide, Spool Stand & Steel