Fluffies mainly exercise through play and exploration. However some fluffies need extra help to maintain a healthy standard, so each building is given a small treadmill and a FluffTV to motivate them.
However this device is only for fluffies that are out of shape. Little Chloe here is an example of a fit fluffy and should be playing elsewhere.
Tip might have been surgically split for aesthetics/function rather then a genetic thing. Though now im curious what if anything in nature has a three pronged tongue? ~goes to do research~