Caydo 12 Pieces 3 Inch Round Wooden Hoops for Embroidery | Adjustable | Bamboo | For Druz PointCaydo 12 pieces 3 inch round wooden embroidery hoops. How to use: 1. Loosen the outer screw, lay the inner hoop flat, put the fabric on the hoop, and then put the outer hoop on the inner hoop. two. Smooth out the fabric, make the warp and welt both vertical and horizontal, make sure there are no creases. 3. Tighten the screws. 4. Check the ring to see if it is tight enough. The way to check the tension is to use a needle with thread going through the