Elbesee Embroidery & Tapestry Frame Nut Tightener Twizzler Twizzlers are perfect for tightening wingnuts on your roller frames and other items without hurting your hands. This accessory is designed to make tightening wingnuts easier. Suitable for use with all rotating frames and stands. It has a wing nut shaped hole in the end and when fixed onto the wingnut will tighten them very tight helping to hold your work even better without the strain. A must if you use a roller frame! How did you manage without one!