1) Scunci brand open center metal snap clips at Wally World to hold bindings and etc. in place.
2) Goody black elastic hair ties for keeping bobbins with thread spools (make a lark's head knot through the bobbin center hole, stretch opposite end around the thread spool).
3) One of those blue needle threader gadgets for the sewing machine. Dritz 253 needle inserter and threader (once I found the video showing how it works, I found it was the bee's knees).