IOU Stickies For Her Game Contents: 100 self adhesive Sex Stickies For Her! Directions: Once, twice or as often as you would like indulge yourselves in wild and adventurous sex with IOU Sex Stickies. Let your lover know you are ready to be frisky by placing a sticky note on the refrigerator, mirror, computer screen, or somewhere they will be sure to find it. Once found, your lover can choose from one of the three different sexual scenarios listed on each note before returning the note to you with their desired selection. Ball and Chain Games. I.O.U is a registered trademark of Ball & Chain LLC.