The sport of badminton
Represented by the small shuttlecock!
[The only thing that pops in my head when someone says synecdoche is : "Sceptre and Crown / Must tumble down"
Lines from the poem "Death the Leveller" by James Shirley.
I learnt what a synechdoche is through that example in school and I don't think I'll ever forget it. www.bartleby.com/106/69.html