here at HSA, we know you have more important things to do than laundry, so that's why we built clothespin. let us take the sweat out of the laundry process and give you more time to do all that you do at harvard. this app was built 100% by students for students so let us know if you have any thoughts or feedback. so, go ahead, get dirty, HSA Cleaners and clothespin are here for you. manage, track, and request pickups with clothespin, your laundry delivery app.