To sew an elastic band to fabric, first measure and cut the elastic to the desired length. Then, pin the ends of the elastic to the fabric at the desired location, making sure to stretch the elastic slightly as you pin it to the fabric. Using a zigzag stitch on your sewing machine, sew the elastic to the fabric, stretching the elastic as you sew to ensure a snug fit. Be sure to backstitch at the beginning and end of your sewing to secure the elastic in place. **

No, viscose is not elastic. Viscose is a type of rayon fabric made from natural fibers such as wood pulp. It is known for its soft and smooth texture, but it does not have the stretch or elasticity that is characteristic of elastic materials like spandex or elastane. Viscose can drape well and has good moisture-wicking properties, but it does not have the ability to stretch and bounce back like elastic fabrics do. **

To sew the elastic waistband of fabric pants tighter, you can start by removing the existing elastic from the waistband. Then, measure your waist and cut a new piece of elastic that is slightly shorter than your waist measurement to create a tighter fit. Next, sew the ends of the new elastic together to form a loop. Finally, attach the new elastic to the waistband by evenly distributing the gathers and sewing it in place, making sure to stretch the elastic as you sew to ensure a snug fit. **

When choosing a fabric for upholstery, it is important to consider factors such as durability, comfort, and style. Fabrics like cotton, linen, and polyester blends are popular choices for upholstery due to their durability and ease of maintenance. For a more luxurious feel, velvet or leather can be great options, but they may require more care. Ultimately, the best fabric for upholstery will depend on your personal preferences, lifestyle, and budget. **

Elastomers are actually elastic because of their unique molecular structure. They are made up of long, coiled polymer chains that can be stretched and then return to their original shape when the force is removed. This is due to the entropic elasticity of the polymer chains, which allows them to easily slide past each other and then spring back into place. Additionally, the presence of cross-links between the polymer chains provides additional strength and resilience, allowing elastomers to maintain their elasticity over many cycles of stretching and relaxing. **

Yes, it is possible to finish an inelastic cotton fabric with an elastic jersey bias binding. The elastic jersey bias binding will provide stretch and flexibility to the edges of the fabric, allowing for a comfortable and secure fit. This combination can be a great way to add a pop of color or texture to a garment while also ensuring a comfortable and flexible finish. Just make sure to sew the binding carefully to ensure a clean and professional look. **

Yes, it is possible to finish an inelastic cotton fabric with an elastic jersey bias tape. The elastic jersey bias tape will provide stretch and flexibility to the edges of the fabric, allowing for a comfortable and secure finish. However, it is important to consider the weight and thickness of the fabric and bias tape to ensure that they work well together and do not create bulkiness or distortion in the finished garment. Testing the combination on a small sample piece before applying it to the entire project is recommended to ensure the desired result. **

The amount of fabric needed to sew a pair of elastic waist pants depends on the size of the pants and the width of the fabric. As a general guideline, you will need around 2 to 3 yards of fabric for an average adult size pair of pants. However, for children's pants or smaller sizes, you may need less fabric. It's always a good idea to consult a pattern or sewing guide for the specific amount of fabric needed for your project. **