Sherman Crab Flail (mechanised)

A 1:56 model of a Sherman tank with the mine-sweeping Flail modification with working (sort of) spinning mechanism,

to complete this model you will require a few additional items:

2,3,4mm OD (0.45mm thick) brass tube for axles and bushings

Rubber O rings between 20mm and 50mm wide

2mm jewellers chain of your choosing