Seam Ripper Gnomes

I swear there are little seam ripper gnomes that live in my sewing studio that steal all the seam rippers when I'm not looking. I must have 6 seam rippers but I can never find one when I need one. Expensive seam rippers, cheap seam rippers, it doesn't seem to matter they disappear as soon as they are out of my sight, never to be seen again.