A physical therapy device includes an axle member having first and second distal ends, a first wheel of a first diameter disposed about the axle member, a second wheel of the first diameter disposed about the axle member, a first rounded end cap massager disposed at least partially over the first distal end of the axle member, the first rounded end cap massager having a second diameter that is less than the first diameter, and a second rounded end cap massager disposed at least partially over the second distal end of the axle member.