I spend quite a lot of time explaining to people how the ranked system currently works by copy pasting from a long document of resources I have saved (you may have seen me in a lot of threads giving Riot quotes). But that never really gives...

Just your agent's fist. Nothing else. Two fists would also be cool. Maybe boxing gloves? Left click would be a slap and the right click would be a right hook that swings across your screen. Also a plus could be a spiked glove of some sort....