Hitar bututun wani nau'in kayan aikin ceton makamashi ne wanda ke daɗa zafi da kayan.An shigar da shi a gaban kayan aikin kayan aiki don zafi da kayan kai tsaye, ta yadda zai iya kewayawa da zafi a cikin babban zafin jiki, kuma a ƙarshe cimma manufar ceton makamashi.