This looks like a very wise advance on earlier versions of this machine.
I was using one of these without the crane arm/stabilizer one time, the bore got stuck but top kept spinning, taking me for a very disconcerting ride, round and round. Ouch….and much embarassment.
This Bendable Life 
This looks like a very wise advance on earlier versions of this machine.
I was using one of these without the crane arm/stabilizer one time, the bore got stuck but top kept spinning, taking me for a very disconcerting ride, round and round. Ouch….and much embarassment.