#11 No-slip strapless bra
Every girl has experienced the troubles of wearing a strapless bra, but with this solution wearing a strapless bra will feel more secure and stay in place. You just need to wrap a bra strap around it.
#12 Keep those buttons in their place
If you see one of your buttons becoming loose, a quick solution is to use some clear nail polish on top of the button it will keep the thread from unraveling.