Like bobbin for apples- https://1.bp.blogspot.com/-hLFVsCHbeK0/XesZ06uZabI/AAAAAAADr0A/oPlSzGN2-BMIg9Er-qOLl2MEL-j-sMlcACNcBGAsYHQ/s640/DEMOCRATS%2B%25284%2529.jpg