My son has been frustrated with his lack of a proper bag to carry his essentials around. His school bag is too big and bulky if he just wants to take his wallet and phone to visit a game shop or to buy some ice cream. Lately I haven’t made that many things for my son, so I promised to help and make him a boyish red bag. I found this sturdy plastic-backed canvas and the black strap at a local fabric shop called Inkuri. After getting hom, I immediately started cutting the canvas. Without making a proper pattern, I just determined a suitable width to the bag and started…