What are these metal balls, hanging from chains, on the back of this tank's turret? : r/whatisthisthing

what are these over hangs of metal on the back of the turret on

Metal ball with raised patterns. Has rivets on ends like it's sealed

This little plastic basket/holder inside the far corner of a

Approximately 2.5m tank like object. Appears to be a lid on top

What are the small balls hanging behind MBT turrets? - Quora

What are these chain-ball things hanging under the turret of this

Lightweight, metal object with chain connecting two pieces. Both

What are these metal balls, hanging from chains, on the back of

A whole load of these metal discs have started appearing on door

What Is This Thing?”: 50 Times People Stumbled Upon…

What are the small balls hanging behind MBT turrets? - Quora

What are the small balls hanging behind MBT turrets? - Quora

What are the tubes on the turrets of Main Battle Tanks used for