I haven't google image searched but if this seller is truthful how does this 'final version' $43 pair compare to the higher cost shoe?
http://www.aliexpress.com/item/Free...b201644_4_79_78_77_82_80_62,searchweb201560_8
http://www.aliexpress.com/item/Free...b201644_4_79_78_77_82_80_62,searchweb201560_8