makiwara
/makɪˈwɑːrə/Karate
noun
An object (originally a post or board covered with straw, hemp, etc.) intended to be struck during training, especially in order to toughen the skin of the hands and feet.
Origin
1950s. From Japanese makiwara lit. ‘roll-straw’, originally denoting a target in archery practice from maki- + wara straw.