Creative Notions Lady Bug Thread Cutter. 

This cute little Lady Bug attaches permanently to the side of your sewing machine or Serger and is always there to cut your threads as you are sewing. She will save you time by not always having to pickup your scissors everytime to cut your threads as you are coming off the end of a seam. Position cutter to the needle side of your sewing machine or Serger. Adhesive becomes permanent after 24 hrs.