Not the silly "furry handcuff" type that some of her boyfriends have come up with after she asked, but some seriously tight, even what you might call, stringent bondage.
A sexy young lady in an incredibly tight and brief leather dress, long, really long lace-up boots and a slave whose drool is already dripping from his lips at the sight of the mistress.
Clothespins and clips in general. You should always have some on hand. However, it is much more important to have a suitable slave at hand after washing. Why are you wondering now?