Hi All,

I've modelled an eel like space character and want to have the ability to rig the antenna so that it is connected to the armour area but can flow behind it as i animate the enemy through the scene.

I don't want the antenna to break away from the shell but i do wish for it to bend in all axis and even stretch potentially. The aim is to have a free flowing motion to the antenna.

I've attached an image of the character to give you all a better idea of what i'm talking about.
Click image for larger version. 

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I understand that i could use a biped bone structure but i was wondering if there was an easier helper based rig concept that i could use.

Any help with the best way to rig it would be appreciated.