I use chopsticks for my corner pokers - not too sharp, not too rounded, just right :D
I also use Altoid tins to keep my bobbins in - perfect height for them.. I also use the Altoid tins for lots of other things - pins, safety pins, etc.
A piece of vinyl material on the floor to keep my pedal from scooting.
A kiddie coat/hat rack to hang my scissors from.
I'll have to think of the other oddities I use that aren't sold in the craft store lol.