Post 9xPCkemPJdD4ScNhVg by tuttle@santsenques.cat
 (DIR) More posts by tuttle@santsenques.cat
 (DIR) Post #9xPCkemPJdD4ScNhVg by tuttle@santsenques.cat
       2020-07-24T08:37:04.273258Z
       
       0 likes, 0 repeats
       
       @byttyrs Might be this your thinking about? https://en.wikipedia.org/wiki/Silbo_Gomero