Then sew the sewing thread on the inner side of the ball leather chain with special sewing thread, and the outer side does not appear. You will feel that the real ball is very detailed, the fake ball is rough and the internal pressure is not tight.
Finally, look at the anti-counterfeiting sign. Adi's ball has a code, which is the unique code of every Adi football. You can go to Adi's website to inquire. If the inquiry result proves to be Adi's, and it is the first inquiry, you can be sure that it is genuine; And imitations usually have no such code to query.