the present invention is directed to a device for dispensing a unit dose water - soluble pouch containing a laundry additive during the spin cycle of a washing machine process having a spinning wash drum . the device is attached to the vertical center post of a washing machine and holds a water - soluble pouch above the high water level . during the spin cycle , the spinning center post will create sufficient centrifugal force so that the water - soluble pouch is released from the device . the water - soluble pouch will then fall into the laundry where the water - soluble pouch will dissolve when rinse water fills the machine thereby releasing the laundry additive to treat the washed articles .