I really like the mirrors on my L4610HSTC Kubota. They could be adapted to work on many other setups. They fold out of the way easily by hand or when they hit an obstruction(going forward or reverse.) That is important as some fold away mirrors don't fold away when backing (for example the big fancy electric retractable after market mirrors on my one ton Dodge/Cummins.
You really have to work at it to break one of the Kubota mirrors. I did it but it took years of driving through brush like a crazy man (I had no choice if I wanted to drive.)
Pat