My sister made me a similar tool. In fact, she made one for everyone who took her Beginning Quilting class. Here, let me take a picture of it. She melted wax and put it in a small ceramic bowl thing, then stuck a seam ripper in it, standing up. I guess she held the seam riper up until the wax hardened...not sure about how she did that. She let us select which one we wanted, and I picked one that was in an "Easter egg" and therefore had a lid that closed. Now that I think about it, all of them had lids. This one's lid just stayed attached. She bought all the bases at one of the dollar stores.
I love mine, by the way.
Dina