RC Fuel Bag/Bladder Rod Clamps

Here are some of the fuel bag clamps used to fix the bag in place on the mounting rods.
Clamps are included for 6mm or 10mm rods.

Additionally, there is a spacer to protect the bag if using the following metal clamps instead.
https://amzn.to/3K5HE0D

Personally I have printed these in ABS. A M3 screw and locking nut is used for the clamps.