Spanish Idiomatic Expressions Using Parts Of The Body .  A list from Lawless Spanish.

3 Usefull Spanish Idioms to Sound Like a Native Spanish Speaker. A podcast from Español Automático . https://www.espanolautomatico.com/podcasts/espanol-automatico-podcast/episodes/2147940650  

   

  Es harina de otro costal is a Spanish idiom that literally means:  It is flour from a different sack .  It translates to English as: That's a different story. That's another matter. That's a different thing altogether. That's a different kettle of fish. That's a horse of a different color.