WEDDING SHOE INSERTS?!?! REPOST FROM BHB

So... I did a search on thigh highs to see what brides were saying about them for the wedding day... but the majority of the girls are responding - don't wear anything - just get inserts for your shoes.....

..... I am be totally dumb - but what are inserts for shoes? Do they mean - like a ped?? HAHA

Thanks for your help girlies!!

dont know either....but if I had to guess it would be some sort of padding