Customized Matthew's carabiner design here.

 

The design from Matthew's need.
Ideally for hang the tape, and can be instant take and put back in roll.
 

Design the new type of the hook, made 2 different hook design for different method 3d print, one for FDM or other Nonmetallic, one for budget metal 3d print.
New door design, optimized the end of the door for instant move the tape.  
 

The pack include "Premium Pack" with "Hexer Carabiner" and "Scott Carabiner" inside.