How do you achieve the effect of reflecting clothes and hair that will appear in many Hong Kong movies? Retro light of harbor wind

Find the channel with the most obvious contrast, click Copy, then Ctrl+L moves the slider to adjust the color scale, use the lasso tool to frame the part with reflection, point out the outer position (del) of the box, click the small circle below the channel, then return to the original layer, create a new layer, click the eyedropper tool, click the box, and then point out that the positive film is folded. This is a troublesome method. I don't want to trouble you to buy a fill light. .....