I want comprehensive training knowledge. I want to find a job as a clerk in an underwear store to prepare for opening a store in the future. I want to know something about underwear before looking for a job. I know nothing about the underwear in front of me. Want to know more about what training knowledge you need to know to sell underwear? Satisfied answer: Ask Feng Jun 13 grade 20 10-09-04 product knowledge: type, upper and lower circumference size, cup type, style, color, material, function and effect. Industry knowledge: brand positioning, competitors, product fronts, advantages and disadvantages ... store management: personnel, display, publicity, promotion, billing ... customer management: understanding needs, remembering characteristics, and accumulating repeatedly ... Q: Is there anything specific? Such as the classification of cup types. . . A: I gave you what you need to know.