Testing an idea for a fast sprang frame. At the 99 cent store I bought a plastic basket (13.5 inch x 11.5 inch x 3.5 inch) , a bag of square dowels, and a ball of acrylic yarn. I tied the dowels to the basket and wrapped yarn around with figure 8 wrap. The string on the left will the "safety string." Sprang. Test complete. Cost of materials $3 NOTE: Try using loops of elastic to attach sticks to frame, but allow elastic to stretch. That would allow sticks to pull closer together as work...