Question: To sew the bike inner tube fabric using a sewing machine.

  Options: 
 A. Change the sewing machine needle to a denim/leather needle. Lay the inner tube fabric on top of each other and run through the sewing machine at the desired edge to be sewn.
 B. Change the sewing machine needle to a lace needle. Lay the inner tube fabric on top of each other and run through the sewing machine at the desired edge to be sewn.
Answer: A