Colleen...Hand sewing or machine will work. Cut straight across from under the arms. Try it on the pillow to see if you need to cut more. Stitch both top and bottom closed. Do one side first... removing pillow. Then put pillow in close and stitch that end closed.
Sew or no Sew? I made bunches of them with my old concert t-shirts that I no longer wear. These will get you started!
https://www.diynetwork.com/how-to/make-and-decorate/crafts/how-to-make-throw-pillows-out-of-old-t-shirts
https://www.diynetwork.com/how-to/make-and-decorate/decorating/how-to-make-a-no-sew-pillow-from-an-upcycled-t-shirt
https://youtu.be/dxCbdTGruPs
https://youtu.be/E1EZPhRpCMA
Happy crafting! ✂️
Here's another good tutorial for you: https://www.youtube.com/watch?v=u-k3Ls9Ov6U
Colleen...Hand sewing or machine will work. Cut straight across from under the arms. Try it on the pillow to see if you need to cut more. Stitch both top and bottom closed. Do one side first... removing pillow. Then put pillow in close and stitch that end closed.
here's some cute ideas
https://www.hometalk.com/14120270/shirt-pillow-tutorial
T-Shirt Pillow Tutorial
There's some fab ideas here on Hometalk
https://www.hometalk.com/search/posts?filter=t%20shirt%20pillows