so i wore 2 pair of enzo peep toes out and i cant return them there a size 8 and im a 7 1/2 what can i do to make them fit my foot keeps coming out of the shoe . i do not want to rebuy these shoes at 70 bucks per shoe . ps i got the 8 cause i was a size 8 but then i went from a size 20 to a 16 and i went down half a shoe size