foam roller
noun/ˌfəʊm ˈrəʊlə(r)/
/ˌfəʊm ˈrəʊlər/
- a tube made of rubber or plastic that you can lie on and roll on in various positions in order to reduce tension (= tight feelings) in the muscles
- A foam roller can be used both in your warm-up and in recovery after exercise.
Check pronunciation:
foam roller