Possible Construction Methods

I plan to make a tentacle using five pieces that connect by four joints.
I'm not sure if I should use a wide strip of elastic thread to hold the pieces together or if I should use rubber bands.
I may weave my interlocking forms using plastic strips or strips of cloth.
Instead of that, I may connect wire rings to create a mesh.
I am not sure how either of these would work out.

This is the form I'd like to achieve:

These are the materials I have:

These are my sketches: