string - waxed dental floss works well
Layer four pieces of tissue paper together measuring at 2 1/4" by 3 1/2". Fold together using an accordion fold (refer to picture).
When you're finished with the accordion fold, it should look like the picture on the left. Pinch together and place on its side. It will now look like the picture on the right. Cut where yellow lines are shown, through all layers.