Many of these devices have tweezer discs in the actual top which rotate picking along the hair along the way and plucking them away from the root.
Hair growth takes place in your hair follicle so any quickly moving of growth of hair would be due to changes inside of hair hair follicle. https://utouawpge72bqdy5iviykswge2fezqdxamhi46Bkjdukieeq2o6a.cdn.ampproject.org/c/Imgrobo.co.kr%2Fbbs%2Fboard.php%3Fbo_table%3Dfree%26wr_id%3D239279