When the soles of real shoes are not bent, they are absolutely flat and smooth, and there is no trace of wavy lines; the fake ones (good imitations) are uneven and not smooth, which can be seen There are traces of wavy patterns!
The soles of real shoes have obvious wavy lines when they are bent, which are very clear and deep; if they are fake, they are blurry and the lines are not deep!
It was born in the 20th century. It was improved and made by the then badminton world champion Jack Purcell based on CONVERSE basketball shoes according to the requirements of badminton, tennis and other sports. In order to commemorate his contribution, This sneaker is named after Jack Purcell. As one of CONVERSE's classic canvas shoes, Jack Purcell is named "Open Smile" because of its curved toe design.
Reference: Converse Open Smile Baidu Encyclopedia