i have this

https://www.amazon.com/Bronze-Violin-Fiddle-Silencer-Practice/dp/B083NR8ZYB/ref=sr_1_49?keywords=violin%2Bmute&qid=1585361265&sr=8-49&th=1

its the quietest damn thing in the world perfect for hotels but not in orchestra. if it starts getting loud, you can simply bend the metal inwards towards the bridge to keep it quiet