This is the video where I bought the cheapest violin on Amazon:    • Buying the CHEAPEST violin on AMAZON ...  

All the bits and pieces I used to pimp up the violin:

Pirastro Tonica Strings:
https://amzn.to/2nnntAL
https://amzn.to/2lMwe6K

Mulko Chinrest:
https://amzn.to/33NS6iK
https://amzn.to/35IBxGq

Tail piece:
https://amzn.to/2qpvmqO
https://amzn.to/33I5hSe

Sartory Rosin yes, this rosin is expensive, but it would be like putting the engine of a Fiat Punto into a BMW car:
https://amzn.to/2OVytAX
https://amzn.to/2Bjq2Hs

Violin bows:
Fiddlerman Carbon Fibre Bow: https://amzn.to/2OWo87Z
Stentor Bow: https://amzn.to/2MocEIF

Bridge:
https://amzn.to/31o3dNt
https://amzn.to/2Bjqw0e