Add-On for panties and socks! Each purchase of Panties/Socks Add-On: Exercise will add one (1) hour of intense exercise to your order! There is no limit to how many hours of exercise you can add to your order, though do know that I will only be able to perform 2-4 hours of exercise for every day of wear with your order, and will not include additional days to fulfill the leftover exercise hours, so you will also need to purchase additional days if you want more than 4-8 hours of exercise with your base order.