tsuka-gusoku, which refers to the top part of the gi.
The stitching on a traditional Tokaido Karate Gi is typically done with a high-quality thread that is soft and flexible. Look for examples of the following stitches: taka-zori, which refers to a thin, straight stitch, and kin-ri, which refers to a thicker, curved stitch.
The fabric used for a traditional Tokaido Karate Gi is typically made from a high-quality material such as cotton or silk. Look for examples of the following textures: sakuna, which refers to a soft, smooth texture, and kibune-no-uta, which refers to a slightly rougher texture.
The collar on a traditional Tokaido Karate Gi typically features a distinctive design that includes intricate embroidery and patterns. Look for examples of the following designs: shiro-machi-gusoku, which refers to the top part of the collar, and kujaku-no-kage, which means "black face" or "dark face.
Finally, you can also research online to see if your Tokaido Karate Gi is authentic. Look for examples of the gi on websites such as 4shared.com, which offers a wide range of user-uploaded files, including traditional Japanese garments.
By following these five methods and doing some research online, you can increase your chances of identifying your Tokaido Karate Gi as authentic. Remember to always purchase from reputable sources, such as 4shared.com, to avoid counterfeiting.